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1212313102033 = 11712296778417
BaseRepresentation
bin10001101001000011011…
…111011110011011010001
311021220012011222111120111
4101221003133132123101
5124330304123231113
62324532353041321
7153405151225465
oct21510337363321
94256164874514
101212313102033
11428159160980
12176b55256241
138a422586ab7
144296796a4a5
1521805ba713d
hex11a437de6d1

1212313102033 has 16 divisors (see below), whose sum is σ = 1347007224960. Its totient is φ = 1081835193600.

The previous prime is 1212313102031. The next prime is 1212313102043. The reversal of 1212313102033 is 3302013132121.

It is a cyclic number.

It is not a de Polignac number, because 1212313102033 - 21 = 1212313102031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212313101995 and 1212313102013.

It is not an unprimeable number, because it can be changed into a prime (1212313102031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3210360 + ... + 3568057.

It is an arithmetic number, because the mean of its divisors is an integer number (84187951560).

Almost surely, 21212313102033 is an apocalyptic number.

It is an amenable number.

1212313102033 is a deficient number, since it is larger than the sum of its proper divisors (134694122927).

1212313102033 is a wasteful number, since it uses less digits than its factorization.

1212313102033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6778728.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1212313102033 its reverse (3302013132121), we get a palindrome (4514326234154).

The spelling of 1212313102033 in words is "one trillion, two hundred twelve billion, three hundred thirteen million, one hundred two thousand, thirty-three".

Divisors: 1 11 71 229 781 2519 16259 178849 6778417 74562587 481267607 1552257493 5293943677 17074832423 110210282003 1212313102033