211012122012 has 24 divisors (see below), whose sum is σ = 494421715200. Its totient is φ = 70043074416.

The previous prime is 211012121987. The next prime is 211012122053. The reversal of 211012122012 is 210221210112.

It is a super-2 number, since 2×211012122012² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211012121982 and 211012122000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36784462 + ... + 36790197.

It is an arithmetic number, because the mean of its divisors is an integer number (20600904800).

Almost surely, 2^211012122012 is an apocalyptic number.

It is an amenable number.

211012122012 is an abundant number, since it is smaller than the sum of its proper divisors (283409593188).

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

211012122012 is a wasteful number, since it uses less digits than its factorization.

211012122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73574905 (or 73574903 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211012122012 its reverse (210221210112), we get a palindrome (421233332124).

The spelling of 211012122012 in words is "two hundred eleven billion, twelve million, one hundred twenty-two thousand, twelve".