10621404755612 has 48 divisors (see below), whose sum is σ = 22493072931840. Its totient is φ = 4284133362432.

The previous prime is 10621404755587. The next prime is 10621404755617. The reversal of 10621404755612 is 21655740412601.

It is a super-2 number, since 2×10621404755612² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10621404755617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16107833 + ... + 16754255.

It is an arithmetic number, because the mean of its divisors is an integer number (468605686080).

Almost surely, 2^{10621404755612} is an apocalyptic number.

It is an amenable number.

10621404755612 is an abundant number, since it is smaller than the sum of its proper divisors (11871668176228).

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

10621404755612 is a wasteful number, since it uses less digits than its factorization.

10621404755612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680970 (or 680968 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 10621404755612 in words is "ten trillion, six hundred twenty-one billion, four hundred four million, seven hundred fifty-five thousand, six hundred twelve".