212031103012 has 24 divisors (see below), whose sum is σ = 379711354176. Its totient is φ = 103542505248.

The previous prime is 212031102989. The next prime is 212031103057. The reversal of 212031103012 is 210301130212.

212031103012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 2856918 + ... + 2930194.

It is an arithmetic number, because the mean of its divisors is an integer number (15821306424).

Almost surely, 2^212031103012 is an apocalyptic number.

It is an amenable number.

212031103012 is a deficient number, since it is larger than the sum of its proper divisors (167680251164).

212031103012 is a wasteful number, since it uses less digits than its factorization.

212031103012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90147 (or 90145 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212031103012 its reverse (210301130212), we get a palindrome (422332233224).

The spelling of 212031103012 in words is "two hundred twelve billion, thirty-one million, one hundred three thousand, twelve".