10212440645231 has 96 divisors (see below), whose sum is σ = 11917959266304. Its totient is φ = 8732909275200.

The previous prime is 10212440645191. The next prime is 10212440645233. The reversal of 10212440645231 is 13254604421201.

It is a happy number.

It is not a de Polignac number, because 10212440645231 - 2³⁰ = 10211366903407 is a prime.

It is a super-2 number, since 2×10212440645231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212440645191 and 10212440645200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212440645233) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5355237980 + ... + 5355239886.

It is an arithmetic number, because the mean of its divisors is an integer number (124145409024).

Almost surely, 2^{10212440645231} is an apocalyptic number.

10212440645231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10212440645231 is a deficient number, since it is larger than the sum of its proper divisors (1705518621073).

10212440645231 is a wasteful number, since it uses less digits than its factorization.

10212440645231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313 (or 2302 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 10212440645231 in words is "ten trillion, two hundred twelve billion, four hundred forty million, six hundred forty-five thousand, two hundred thirty-one".