102202012020120 has 32 divisors (see below), whose sum is σ = 306606036060720. Its totient is φ = 27253869872000.

The previous prime is 102202012020103. The next prime is 102202012020127. The reversal of 102202012020120 is 21020210202201.

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 102202012020120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202012020127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425841716631 + ... + 425841716870.

Almost surely, 2^{102202012020120} is an apocalyptic number.

102202012020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102202012020120 is an abundant number, since it is smaller than the sum of its proper divisors (204404024040600).

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

102202012020120 is a wasteful number, since it uses less digits than its factorization.

102202012020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851683433515 (or 851683433511 counting only the distinct ones).

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

Adding to 102202012020120 its reverse (21020210202201), we get a palindrome (123222222222321).

The spelling of 102202012020120 in words is "one hundred two trillion, two hundred two billion, twelve million, twenty thousand, one hundred twenty".