102202020012 has 12 divisors (see below), whose sum is σ = 238471380056. Its totient is φ = 34067340000.

The previous prime is 102202019989. The next prime is 102202020029. The reversal of 102202020012 is 210020202201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 8516835001 = 102202020012 / (1 + 0 + 2 + 2 + 0 + 2 + 0 + 2 + 0 + 0 + 1 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 102202020012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4258417489 + ... + 4258417512.

Almost surely, 2^102202020012 is an apocalyptic number.

102202020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102202020012 is an abundant number, since it is smaller than the sum of its proper divisors (136269360044).

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

102202020012 is a wasteful number, since it uses less digits than its factorization.

102202020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8516835008 (or 8516835006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 102202020012 its reverse (210020202201), we get a palindrome (312222222213).

The spelling of 102202020012 in words is "one hundred two billion, two hundred two million, twenty thousand, twelve".