12402505112 has 32 divisors (see below), whose sum is σ = 23364352800. Its totient is φ = 6172080384.

The previous prime is 12402505097. The next prime is 12402505147. The reversal of 12402505112 is 21150520421.

It is a super-3 number, since 3×12402505112³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1595828 + ... + 1603580.

It is an arithmetic number, because the mean of its divisors is an integer number (730136025).

Almost surely, 2^12402505112 is an apocalyptic number.

It is an amenable number.

12402505112 is a deficient number, since it is larger than the sum of its proper divisors (10961847688).

12402505112 is a wasteful number, since it uses less digits than its factorization.

12402505112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8675 (or 8671 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The spelling of 12402505112 in words is "twelve billion, four hundred two million, five hundred five thousand, one hundred twelve".