211331213042012 has 96 divisors (see below), whose sum is σ = 428675624616960. Its totient is φ = 89288245347840.

The previous prime is 211331213042009. The next prime is 211331213042057. The reversal of 211331213042012 is 210240312133112.

It is a congruent number.

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, 1832775953 + ... + 1832891255.

It is an arithmetic number, because the mean of its divisors is an integer number (4465371089760).

Almost surely, 2^{211331213042012} is an apocalyptic number.

It is an amenable number.

211331213042012 is an abundant number, since it is smaller than the sum of its proper divisors (217344411574948).

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

211331213042012 is a wasteful number, since it uses less digits than its factorization.

211331213042012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117571 (or 117569 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 211331213042012 its reverse (210240312133112), we get a palindrome (421571525175124).

The spelling of 211331213042012 in words is "two hundred eleven trillion, three hundred thirty-one billion, two hundred thirteen million, forty-two thousand, twelve".