3231011220012 has 72 divisors (see below), whose sum is σ = 8218150427760. Its totient is φ = 1070296571520.

The previous prime is 3231011220001. The next prime is 3231011220049. The reversal of 3231011220012 is 2100221101323.

3231011220012 is a `hidden beast` number, since 32 + 310 + 112 + 200 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89580462 + ... + 89616522.

Almost surely, 2^{3231011220012} is an apocalyptic number.

It is an amenable number.

3231011220012 is an abundant number, since it is smaller than the sum of its proper divisors (4987139207748).

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

3231011220012 is a wasteful number, since it uses less digits than its factorization.

3231011220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51503 (or 51498 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 3231011220012 its reverse (2100221101323), we get a palindrome (5331232321335).

The spelling of 3231011220012 in words is "three trillion, two hundred thirty-one billion, eleven million, two hundred twenty thousand, twelve".