21050604245512 has 32 divisors (see below), whose sum is σ = 39931194240000. Its totient is φ = 10402391438208.

The previous prime is 21050604245509. The next prime is 21050604245537. The reversal of 21050604245512 is 21554240605012.

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, 5008212 + ... + 8196547.

It is an arithmetic number, because the mean of its divisors is an integer number (1247849820000).

Almost surely, 2^{21050604245512} is an apocalyptic number.

It is an amenable number.

21050604245512 is a deficient number, since it is larger than the sum of its proper divisors (18880589994488).

21050604245512 is a wasteful number, since it uses less digits than its factorization.

21050604245512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13207093 (or 13207089 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 21050604245512 in words is "twenty-one trillion, fifty billion, six hundred four million, two hundred forty-five thousand, five hundred twelve".