1232220013212 has 48 divisors (see below), whose sum is σ = 2893722562080. Its totient is φ = 408091487232.

The previous prime is 1232220013181. The next prime is 1232220013217. The reversal of 1232220013212 is 2123100222321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232220013217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40937464 + ... + 40967552.

It is an arithmetic number, because the mean of its divisors is an integer number (60285886710).

Almost surely, 2^{1232220013212} is an apocalyptic number.

1232220013212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1232220013212 is an abundant number, since it is smaller than the sum of its proper divisors (1661502548868).

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

1232220013212 is a wasteful number, since it uses less digits than its factorization.

1232220013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51990 (or 51988 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1232220013212 its reverse (2123100222321), we get a palindrome (3355320235533).

The spelling of 1232220013212 in words is "one trillion, two hundred thirty-two billion, two hundred twenty million, thirteen thousand, two hundred twelve".