2031223203212 has 48 divisors (see below), whose sum is σ = 4303554812928. Its totient is φ = 818909118720.

The previous prime is 2031223203193. The next prime is 2031223203241. The reversal of 2031223203212 is 2123023221302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103748 + ... + 2018219.

It is an arithmetic number, because the mean of its divisors is an integer number (89657391936).

Almost surely, 2^{2031223203212} is an apocalyptic number.

It is an amenable number.

2031223203212 is an abundant number, since it is smaller than the sum of its proper divisors (2272331609716).

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

2031223203212 is a wasteful number, since it uses less digits than its factorization.

2031223203212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124006 (or 2124004 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2031223203212 its reverse (2123023221302), we get a palindrome (4154246424514).

The spelling of 2031223203212 in words is "two trillion, thirty-one billion, two hundred twenty-three million, two hundred three thousand, two hundred twelve".