212112130012 has 12 divisors (see below), whose sum is σ = 371199507840. Its totient is φ = 106055127776.

The previous prime is 212112130007. The next prime is 212112130063. The reversal of 212112130012 is 210031211212.

It is a super-2 number, since 2×212112130012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 625368 + ... + 902944.

It is an arithmetic number, because the mean of its divisors is an integer number (30933292320).

Almost surely, 2^212112130012 is an apocalyptic number.

It is an amenable number.

212112130012 is a deficient number, since it is larger than the sum of its proper divisors (159087377828).

212112130012 is a wasteful number, since it uses less digits than its factorization.

212112130012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468620 (or 468618 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212112130012 its reverse (210031211212), we get a palindrome (422143341224).

The spelling of 212112130012 in words is "two hundred twelve billion, one hundred twelve million, one hundred thirty thousand, twelve".