20000102100012 has 36 divisors (see below), whose sum is σ = 50618305450440. Its totient is φ = 6658460021952.

The previous prime is 20000102099981. The next prime is 20000102100031. The reversal of 20000102100012 is 21000120100002.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20000102099967 and 20000102100003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343332058 + ... + 343390305.

It is an arithmetic number, because the mean of its divisors is an integer number (1406064040290).

Almost surely, 2^{20000102100012} is an apocalyptic number.

It is an amenable number.

20000102100012 is an abundant number, since it is smaller than the sum of its proper divisors (30618203350428).

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

20000102100012 is a wasteful number, since it uses less digits than its factorization.

20000102100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686723182 (or 686723177 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20000102100012 its reverse (21000120100002), we get a palindrome (41000222200014).

The spelling of 20000102100012 in words is "twenty trillion, one hundred two million, one hundred thousand, twelve".