120310203211220 has 24 divisors (see below), whose sum is σ = 275619738266208. Its totient is φ = 43749164804000.

The previous prime is 120310203211189. The next prime is 120310203211249. The reversal of 120310203211220 is 22112302013021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 120310203211192 and 120310203211201.

It is a congruent number.

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, 273432279806 + ... + 273432280245.

It is an arithmetic number, because the mean of its divisors is an integer number (11484155761092).

Almost surely, 2^{120310203211220} is an apocalyptic number.

120310203211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120310203211220 is an abundant number, since it is smaller than the sum of its proper divisors (155309535054988).

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

120310203211220 is a wasteful number, since it uses less digits than its factorization.

120310203211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546864560071 (or 546864560069 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 120310203211220 its reverse (22112302013021), we get a palindrome (142422505224241).

The spelling of 120310203211220 in words is "one hundred twenty trillion, three hundred ten billion, two hundred three million, two hundred eleven thousand, two hundred twenty".