102012220020120 has 64 divisors (see below), whose sum is σ = 313500968857440. Its totient is φ = 26539764556800.

The previous prime is 102012220020119. The next prime is 102012220020167. The reversal of 102012220020120 is 21020022210201.

It is a super-3 number, since 3×102012220020120³ (a number of 43 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102012220020120.

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, 10367090611 + ... + 10367100450.

Almost surely, 2^{102012220020120} is an apocalyptic number.

102012220020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102012220020120 is an abundant number, since it is smaller than the sum of its proper divisors (211488748837320).

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

102012220020120 is a wasteful number, since it uses less digits than its factorization.

102012220020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20734191116 (or 20734191112 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102012220020120 its reverse (21020022210201), we get a palindrome (123032242230321).

The spelling of 102012220020120 in words is "one hundred two trillion, twelve billion, two hundred twenty million, twenty thousand, one hundred twenty".