12912102 has 32 divisors (see below), whose sum is σ = 32793600. Its totient is φ = 3689064.

The previous prime is 12912101. The next prime is 12912103. The reversal of 12912102 is 20121921.

It is an interprime number because it is at equal distance from previous prime (12912101) and next prime (12912103).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12912101) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 16702 + ... + 17457.

It is an arithmetic number, because the mean of its divisors is an integer number (1024800).

Almost surely, 2^12912102 is an apocalyptic number.

12912102 is an abundant number, since it is smaller than the sum of its proper divisors (19881498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12912102 is a wasteful number, since it uses less digits than its factorization.

12912102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34177 (or 34171 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 12912102 is about 3593.3413419824. The cubic root of 12912102 is about 234.6023272772.

The spelling of 12912102 in words is "twelve million, nine hundred twelve thousand, one hundred two".