1220313120232 has 64 divisors (see below), whose sum is σ = 2514158899200. Its totient is φ = 552706545600.

The previous prime is 1220313120211. The next prime is 1220313120263. The reversal of 1220313120232 is 2320213130221.

It is a super-2 number, since 2×1220313120232² (a number of 25 digits) contains 22 as substring.

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, 9610357 + ... + 9736507.

It is an arithmetic number, because the mean of its divisors is an integer number (39283732800).

Almost surely, 2^{1220313120232} is an apocalyptic number.

It is an amenable number.

1220313120232 is an abundant number, since it is smaller than the sum of its proper divisors (1293845778968).

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

1220313120232 is a wasteful number, since it uses less digits than its factorization.

1220313120232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128966 (or 128962 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1220313120232 its reverse (2320213130221), we get a palindrome (3540526250453).

The spelling of 1220313120232 in words is "one trillion, two hundred twenty billion, three hundred thirteen million, one hundred twenty thousand, two hundred thirty-two".