212500124012 has 36 divisors (see below), whose sum is σ = 409785384960. Its totient is φ = 96347576160.

The previous prime is 212500123999. The next prime is 212500124047. The reversal of 212500124012 is 210421005212.

It is a super-2 number, since 2×212500124012² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360812 + ... + 745107.

It is an arithmetic number, because the mean of its divisors is an integer number (11382927360).

Almost surely, 2^212500124012 is an apocalyptic number.

212500124012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212500124012 is a deficient number, since it is larger than the sum of its proper divisors (197285260948).

212500124012 is a wasteful number, since it uses less digits than its factorization.

212500124012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106342 (or 1106329 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 212500124012 its reverse (210421005212), we get a palindrome (422921129224).

The spelling of 212500124012 in words is "two hundred twelve billion, five hundred million, one hundred twenty-four thousand, twelve".