1220038245120 has 72 divisors (see below), whose sum is σ = 3896497157616. Its totient is φ = 325343531008.

The previous prime is 1220038245091. The next prime is 1220038245133. The reversal of 1220038245120 is 215428300221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158855307 + ... + 158862986.

It is an arithmetic number, because the mean of its divisors is an integer number (54118016078).

Almost surely, 2^{1220038245120} is an apocalyptic number.

1220038245120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220038245120 is an abundant number, since it is smaller than the sum of its proper divisors (2676458912496).

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

1220038245120 is an equidigital number, since it uses as much as digits as its factorization.

1220038245120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317718317 (or 317718303 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 1220038245120 in words is "one trillion, two hundred twenty billion, thirty-eight million, two hundred forty-five thousand, one hundred twenty".