12121570074 has 16 divisors (see below), whose sum is σ = 24898360608. Its totient is φ = 3931319952.

The previous prime is 12121570063. The next prime is 12121570081. The reversal of 12121570074 is 47007512121.

It is a super-2 number, since 2×12121570074² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27300612 + ... + 27301055.

It is an arithmetic number, because the mean of its divisors is an integer number (1556147538).

Almost surely, 2^12121570074 is an apocalyptic number.

12121570074 is an abundant number, since it is smaller than the sum of its proper divisors (12776790534).

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

12121570074 is a wasteful number, since it uses less digits than its factorization.

12121570074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54601709.

The product of its (nonzero) digits is 3920, while the sum is 30.

The spelling of 12121570074 in words is "twelve billion, one hundred twenty-one million, five hundred seventy thousand, seventy-four".