21067507670120 has 64 divisors (see below), whose sum is σ = 49118240160000. Its totient is φ = 8126835994368.

The previous prime is 21067507670087. The next prime is 21067507670161. The reversal of 21067507670120 is 2107670576012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77386595 + ... + 77658354.

It is an arithmetic number, because the mean of its divisors is an integer number (767472502500).

Almost surely, 2^{21067507670120} is an apocalyptic number.

21067507670120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21067507670120 is an abundant number, since it is smaller than the sum of its proper divisors (28050732489880).

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

21067507670120 is a wasteful number, since it uses less digits than its factorization.

21067507670120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155045082 (or 155045078 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 21067507670120 in words is "twenty-one trillion, sixty-seven billion, five hundred seven million, six hundred seventy thousand, one hundred twenty".