120031031220000 has 120 divisors (see below), whose sum is σ = 393725788804656. Its totient is φ = 32008274976000.

The previous prime is 120031031219969. The next prime is 120031031220007. The reversal of 120031031220000 is 22130130021.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×120031031220000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (120031031220007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1000198594 + ... + 1000318593.

Almost surely, 2^{120031031220000} is an apocalyptic number.

120031031220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120031031220000 is an abundant number, since it is smaller than the sum of its proper divisors (273694757584656).

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

120031031220000 is an equidigital number, since it uses as much as digits as its factorization.

120031031220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000517220 (or 2000517197 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 120031031220000 its reverse (22130130021), we get a palindrome (120053161350021).

The spelling of 120031031220000 in words is "one hundred twenty trillion, thirty-one billion, thirty-one million, two hundred twenty thousand".