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12200102 = 26100051
BaseRepresentation
bin101110100010…
…100010100110
3211221211101122
4232202202212
511110400402
61113253542
7205461545
oct56424246
924854348
1012200102
116983132
1241042b2
1326b20c5
14189815c
15110eca2
hexba28a6

12200102 has 4 divisors (see below), whose sum is σ = 18300156. Its totient is φ = 6100050.

The previous prime is 12200063. The next prime is 12200117. The reversal of 12200102 is 20100221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20100221 = 43467447.

It is a self number, because there is not a number n which added to its sum of digits gives 12200102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3050024 + ... + 3050027.

It is an arithmetic number, because the mean of its divisors is an integer number (4575039).

Almost surely, 212200102 is an apocalyptic number.

12200102 is a deficient number, since it is larger than the sum of its proper divisors (6100054).

12200102 is an equidigital number, since it uses as much as digits as its factorization.

12200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100053.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 12200102 is about 3492.8644405416. The cubic root of 12200102 is about 230.2083933571.

Adding to 12200102 its reverse (20100221), we get a palindrome (32300323).

The spelling of 12200102 in words is "twelve million, two hundred thousand, one hundred two".

Divisors: 1 2 6100051 12200102