212011122102012 has 48 divisors (see below), whose sum is σ = 555100627754400. Its totient is φ = 69970667356800.

The previous prime is 212011122101983. The next prime is 212011122102049. The reversal of 212011122102012 is 210201221110212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9718137337 + ... + 9718159152.

It is an arithmetic number, because the mean of its divisors is an integer number (11564596411550).

Almost surely, 2^{212011122102012} is an apocalyptic number.

It is an amenable number.

212011122102012 is an abundant number, since it is smaller than the sum of its proper divisors (343089505652388).

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

212011122102012 is a wasteful number, since it uses less digits than its factorization.

212011122102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19436296603 (or 19436296595 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212011122102012 its reverse (210201221110212), we get a palindrome (422212343212224).

The spelling of 212011122102012 in words is "two hundred twelve trillion, eleven billion, one hundred twenty-two million, one hundred two thousand, twelve".