212211112012 has 6 divisors (see below), whose sum is σ = 371369446028. Its totient is φ = 106105556004.

The previous prime is 212211112007. The next prime is 212211112027. The reversal of 212211112012 is 210211112212.

It is a super-2 number, since 2×212211112012² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26526388998 + ... + 26526389005.

Almost surely, 2^212211112012 is an apocalyptic number.

It is an amenable number.

212211112012 is a deficient number, since it is larger than the sum of its proper divisors (159158334016).

212211112012 is a wasteful number, since it uses less digits than its factorization.

212211112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53052778007 (or 53052778005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212211112012 its reverse (210211112212), we get a palindrome (422422224224).

The spelling of 212211112012 in words is "two hundred twelve billion, two hundred eleven million, one hundred twelve thousand, twelve".