3212220313112 has 32 divisors (see below), whose sum is σ = 6289536941280. Its totient is φ = 1535116197120.

The previous prime is 3212220313111. The next prime is 3212220313117. The reversal of 3212220313112 is 2113130222123.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212220313111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6364703 + ... + 6850830.

It is an arithmetic number, because the mean of its divisors is an integer number (196548029415).

Almost surely, 2^{3212220313112} is an apocalyptic number.

It is an amenable number.

3212220313112 is a deficient number, since it is larger than the sum of its proper divisors (3077316628168).

3212220313112 is a wasteful number, since it uses less digits than its factorization.

3212220313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13216883 (or 13216879 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 3212220313112 its reverse (2113130222123), we get a palindrome (5325350535235).

The spelling of 3212220313112 in words is "three trillion, two hundred twelve billion, two hundred twenty million, three hundred thirteen thousand, one hundred twelve".