211012020012 has 48 divisors (see below), whose sum is σ = 498660646400. Its totient is φ = 69437684160.

The previous prime is 211012019993. The next prime is 211012020013. The reversal of 211012020012 is 210020210112.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 211012020012.

It is not an unprimeable number, because it can be changed into a prime (211012020013) 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, 14002962 + ... + 14018022.

Almost surely, 2^211012020012 is an apocalyptic number.

It is an amenable number.

211012020012 is an abundant number, since it is smaller than the sum of its proper divisors (287648626388).

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

211012020012 is a wasteful number, since it uses less digits than its factorization.

211012020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29926 (or 29924 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211012020012 its reverse (210020210112), we get a palindrome (421032230124).

The spelling of 211012020012 in words is "two hundred eleven billion, twelve million, twenty thousand, twelve".