1232331221220 has 96 divisors (see below), whose sum is σ = 3801481358976. Its totient is φ = 295789056000.

The previous prime is 1232331221201. The next prime is 1232331221243. The reversal of 1232331221220 is 221221332321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9176749 + ... + 9310068.

It is an arithmetic number, because the mean of its divisors is an integer number (39598764156).

Almost surely, 2^{1232331221220} is an apocalyptic number.

1232331221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232331221220 is an abundant number, since it is smaller than the sum of its proper divisors (2569150137756).

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

1232331221220 is a wasteful number, since it uses less digits than its factorization.

1232331221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18486941 (or 18486939 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1232331221220 its reverse (221221332321), we get a palindrome (1453552553541).

The spelling of 1232331221220 in words is "one trillion, two hundred thirty-two billion, three hundred thirty-one million, two hundred twenty-one thousand, two hundred twenty".