12102656734 has 32 divisors (see below), whose sum is σ = 21060518400. Its totient is φ = 5108722080.

The previous prime is 12102656701. The next prime is 12102656777. The reversal of 12102656734 is 43765620121.

It is a junction number, because it is equal to n+sod(n) for n = 12102656693 and 12102656702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1096857 + ... + 1107835.

It is an arithmetic number, because the mean of its divisors is an integer number (658141200).

Almost surely, 2^12102656734 is an apocalyptic number.

12102656734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12102656734 is a deficient number, since it is larger than the sum of its proper divisors (8957861666).

12102656734 is a wasteful number, since it uses less digits than its factorization.

12102656734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12168.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 12102656734 in words is "twelve billion, one hundred two million, six hundred fifty-six thousand, seven hundred thirty-four".