21123301312196 has 24 divisors (see below), whose sum is σ = 37000845342720. Its totient is φ = 10551634914752.

The previous prime is 21123301312181. The next prime is 21123301312219. The reversal of 21123301312196 is 69121310332112.

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, 22508285 + ... + 23427963.

It is an arithmetic number, because the mean of its divisors is an integer number (1541701889280).

Almost surely, 2^{21123301312196} is an apocalyptic number.

It is an amenable number.

21123301312196 is a deficient number, since it is larger than the sum of its proper divisors (15877544030524).

21123301312196 is a wasteful number, since it uses less digits than its factorization.

21123301312196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925123 (or 925121 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 21123301312196 in words is "twenty-one trillion, one hundred twenty-three billion, three hundred one million, three hundred twelve thousand, one hundred ninety-six".