21612630770130 has 32 divisors (see below), whose sum is σ = 51889182840000. Its totient is φ = 5761271650752.

The previous prime is 21612630770083. The next prime is 21612630770149. The reversal of 21612630770130 is 3107703621612.

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, 130950820 + ... + 131115759.

It is an arithmetic number, because the mean of its divisors is an integer number (1621536963750).

Almost surely, 2^{21612630770130} is an apocalyptic number.

21612630770130 is an abundant number, since it is smaller than the sum of its proper divisors (30276552069870).

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

21612630770130 is a wasteful number, since it uses less digits than its factorization.

21612630770130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262069338.

The product of its (nonzero) digits is 63504, while the sum is 39.

The spelling of 21612630770130 in words is "twenty-one trillion, six hundred twelve billion, six hundred thirty million, seven hundred seventy thousand, one hundred thirty".