102020220012 has 12 divisors (see below), whose sum is σ = 238047180056. Its totient is φ = 34006740000.

The previous prime is 102020219969. The next prime is 102020220037. The reversal of 102020220012 is 210022020201.

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: 8501685001 = 102020220012 / (1 + 0 + 2 + 0 + 2 + 0 + 2 + 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 102020220012.

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, 4250842489 + ... + 4250842512.

Almost surely, 2^102020220012 is an apocalyptic number.

102020220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102020220012 is an abundant number, since it is smaller than the sum of its proper divisors (136026960044).

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

102020220012 is a wasteful number, since it uses less digits than its factorization.

102020220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8501685008 (or 8501685006 counting only the distinct ones).

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

Adding to 102020220012 its reverse (210022020201), we get a palindrome (312042240213).

The spelling of 102020220012 in words is "one hundred two billion, twenty million, two hundred twenty thousand, twelve".