120121012212020 has 48 divisors (see below), whose sum is σ = 260987075395200. Its totient is φ = 46385424382080.

The previous prime is 120121012211999. The next prime is 120121012212067. The reversal of 120121012212020 is 20212210121021.

It is a self number, because there is not a number n which added to its sum of digits gives 120121012212020.

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, 9315026 + ... + 18083465.

It is an arithmetic number, because the mean of its divisors is an integer number (5437230737400).

Almost surely, 2^{120121012212020} is an apocalyptic number.

120121012212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120121012212020 is an abundant number, since it is smaller than the sum of its proper divisors (140866063183180).

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

120121012212020 is a wasteful number, since it uses less digits than its factorization.

120121012212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27406088 (or 27406086 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120121012212020 its reverse (20212210121021), we get a palindrome (140333222333041).

The spelling of 120121012212020 in words is "one hundred twenty trillion, one hundred twenty-one billion, twelve million, two hundred twelve thousand, twenty".