10212255331656 has 128 divisors (see below), whose sum is σ = 30030454978560. Its totient is φ = 2833755724800.

The previous prime is 10212255331583. The next prime is 10212255331673. The reversal of 10212255331656 is 65613355221201.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5590065 + ... + 7188416.

It is an arithmetic number, because the mean of its divisors is an integer number (234612929520).

Almost surely, 2^{10212255331656} is an apocalyptic number.

It is an amenable number.

10212255331656 is an abundant number, since it is smaller than the sum of its proper divisors (19818199646904).

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

10212255331656 is a wasteful number, since it uses less digits than its factorization.

10212255331656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12778635 (or 12778631 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 10212255331656 in words is "ten trillion, two hundred twelve billion, two hundred fifty-five million, three hundred thirty-one thousand, six hundred fifty-six".