212440012024 has 32 divisors (see below), whose sum is σ = 415840788000. Its totient is φ = 101616342912.

The previous prime is 212440012021. The next prime is 212440012033. The reversal of 212440012024 is 420210044212.

It is a junction number, because it is equal to n+sod(n) for n = 212440011986 and 212440012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212440012021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4175124 + ... + 4225699.

It is an arithmetic number, because the mean of its divisors is an integer number (12995024625).

Almost surely, 2^212440012024 is an apocalyptic number.

It is an amenable number.

212440012024 is a deficient number, since it is larger than the sum of its proper divisors (203400775976).

212440012024 is a wasteful number, since it uses less digits than its factorization.

212440012024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8400967 (or 8400963 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 212440012024 its reverse (420210044212), we get a palindrome (632650056236).

The spelling of 212440012024 in words is "two hundred twelve billion, four hundred forty million, twelve thousand, twenty-four".