12974923500 has 192 divisors, whose sum is σ = 47106468864. Its totient is φ = 2696064000.

The previous prime is 12974923453. The next prime is 12974923513. The reversal of 12974923500 is 532947921.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 63 ways as a sum of consecutive naturals, for example, 59332 + ... + 171668.

It is an arithmetic number, because the mean of its divisors is an integer number (245346192).

Almost surely, 2^12974923500 is an apocalyptic number.

12974923500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12974923500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23553234432).

12974923500 is an abundant number, since it is smaller than the sum of its proper divisors (34131545364).

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

12974923500 is a wasteful number, since it uses less digits than its factorization.

12974923500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112377 (or 112365 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 12974923500 in words is "twelve billion, nine hundred seventy-four million, nine hundred twenty-three thousand, five hundred".