20010120212012 has 96 divisors (see below), whose sum is σ = 40552099822080. Its totient is φ = 8462662940160.

The previous prime is 20010120211979. The next prime is 20010120212023. The reversal of 20010120212012 is 21021202101002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481026398 + ... + 481067994.

It is an arithmetic number, because the mean of its divisors is an integer number (422417706480).

Almost surely, 2^{20010120212012} is an apocalyptic number.

It is an amenable number.

20010120212012 is an abundant number, since it is smaller than the sum of its proper divisors (20541979610068).

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

20010120212012 is a wasteful number, since it uses less digits than its factorization.

20010120212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42471 (or 42469 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20010120212012 its reverse (21021202101002), we get a palindrome (41031322313014).

The spelling of 20010120212012 in words is "twenty trillion, ten billion, one hundred twenty million, two hundred twelve thousand, twelve".