1220555023032 has 64 divisors (see below), whose sum is σ = 3231183225600. Its totient is φ = 382883397120.

The previous prime is 1220555023027. The next prime is 1220555023043. The reversal of 1220555023032 is 2303205550221.

It is a congruent number.

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, 4407069 + ... + 4675827.

It is an arithmetic number, because the mean of its divisors is an integer number (50487237900).

Almost surely, 2^{1220555023032} is an apocalyptic number.

1220555023032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220555023032 is an abundant number, since it is smaller than the sum of its proper divisors (2010628202568).

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

1220555023032 is a wasteful number, since it uses less digits than its factorization.

1220555023032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279916 (or 279912 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 1220555023032 in words is "one trillion, two hundred twenty billion, five hundred fifty-five million, twenty-three thousand, thirty-two".