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1201201022 = 2785800073
BaseRepresentation
bin100011110011000…
…1101111101111110
310002201021100000202
41013212031331332
54430001413042
6315105523502
741524016540
oct10746157576
93081240022
101201201022
1156705711a
12296343592
13161b25048
14b5763690
15706c6632
hex4798df7e

1201201022 has 8 divisors (see below), whose sum is σ = 2059201776. Its totient is φ = 514800432.

The previous prime is 1201201021. The next prime is 1201201073. The reversal of 1201201022 is 2201021021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1201200994 and 1201201012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201201021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42900023 + ... + 42900050.

It is an arithmetic number, because the mean of its divisors is an integer number (257400222).

Almost surely, 21201201022 is an apocalyptic number.

1201201022 is a deficient number, since it is larger than the sum of its proper divisors (858000754).

1201201022 is an equidigital number, since it uses as much as digits as its factorization.

1201201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85800082.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1201201022 is about 34658.3470754160. The cubic root of 1201201022 is about 1063.0129721740.

Adding to 1201201022 its reverse (2201021021), we get a palindrome (3402222043).

The spelling of 1201201022 in words is "one billion, two hundred one million, two hundred one thousand, twenty-two".

Divisors: 1 2 7 14 85800073 171600146 600600511 1201201022