20102001012212 has 48 divisors (see below), whose sum is σ = 41063247310848. Its totient is φ = 8431053596640.

The previous prime is 20102001012211. The next prime is 20102001012227. The reversal of 20102001012212 is 21221010020102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102001012211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13465553 + ... + 14883719.

It is an arithmetic number, because the mean of its divisors is an integer number (855484318976).

Almost surely, 2^{20102001012212} is an apocalyptic number.

It is an amenable number.

20102001012212 is an abundant number, since it is smaller than the sum of its proper divisors (20961246298636).

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

20102001012212 is a wasteful number, since it uses less digits than its factorization.

20102001012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428996 (or 1428994 counting only the distinct ones).

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

Adding to 20102001012212 its reverse (21221010020102), we get a palindrome (41323011032314).

The spelling of 20102001012212 in words is "twenty trillion, one hundred two billion, one million, twelve thousand, two hundred twelve".