21050101345012 has 12 divisors (see below), whose sum is σ = 36838356006816. Its totient is φ = 10524856771640.

The previous prime is 21050101344973. The next prime is 21050101345061. The reversal of 21050101345012 is 21054310105012.

It is a super-2 number, since 2×21050101345012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48230818 + ... + 48665305.

It is an arithmetic number, because the mean of its divisors is an integer number (3069863000568).

Almost surely, 2^{21050101345012} is an apocalyptic number.

It is an amenable number.

21050101345012 is a deficient number, since it is larger than the sum of its proper divisors (15788254661804).

21050101345012 is a wasteful number, since it uses less digits than its factorization.

21050101345012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96950438 (or 96950436 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 21050101345012 in words is "twenty-one trillion, fifty billion, one hundred one million, three hundred forty-five thousand, twelve".