21274215130 has 32 divisors (see below), whose sum is σ = 43801326720. Its totient is φ = 7287812160.

The previous prime is 21274215121. The next prime is 21274215197. The reversal of 21274215130 is 3151247212.

21274215130 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×21274215130⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

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, 46000 + ... + 211339.

It is an arithmetic number, because the mean of its divisors is an integer number (1368791460).

Almost surely, 2^21274215130 is an apocalyptic number.

21274215130 is an abundant number, since it is smaller than the sum of its proper divisors (22527111590).

21274215130 is a wasteful number, since it uses less digits than its factorization.

21274215130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258534.

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 21274215130 in words is "twenty-one billion, two hundred seventy-four million, two hundred fifteen thousand, one hundred thirty".