124212904656 has 40 divisors (see below), whose sum is σ = 334834789440. Its totient is φ = 39604114176.

The previous prime is 124212904631. The next prime is 124212904687. The reversal of 124212904656 is 656409212421.

It is a super-3 number, since 3×124212904656³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56254741 + ... + 56256948.

It is an arithmetic number, because the mean of its divisors is an integer number (8370869736).

Almost surely, 2^124212904656 is an apocalyptic number.

124212904656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

124212904656 is an abundant number, since it is smaller than the sum of its proper divisors (210621884784).

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

124212904656 is a wasteful number, since it uses less digits than its factorization.

124212904656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112511723 (or 112511717 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 124212904656 in words is "one hundred twenty-four billion, two hundred twelve million, nine hundred four thousand, six hundred fifty-six".