21236024063012 has 96 divisors (see below), whose sum is σ = 43813701550080. Its totient is φ = 8904332286080.

The previous prime is 21236024062993. The next prime is 21236024063027. The reversal of 21236024063012 is 21036042063212.

It is a self number, because there is not a number n which added to its sum of digits gives 21236024063012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24908093 + ... + 25746555.

It is an arithmetic number, because the mean of its divisors is an integer number (456392724480).

Almost surely, 2^{21236024063012} is an apocalyptic number.

21236024063012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21236024063012 is an abundant number, since it is smaller than the sum of its proper divisors (22577677487068).

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

21236024063012 is a wasteful number, since it uses less digits than its factorization.

21236024063012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839393 (or 839391 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 21236024063012 in words is "twenty-one trillion, two hundred thirty-six billion, twenty-four million, sixty-three thousand, twelve".