212112031133 has 16 divisors (see below), whose sum is σ = 218680408320. Its totient is φ = 205630488000.

The previous prime is 212112031127. The next prime is 212112031169. The reversal of 212112031133 is 331130211212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212112031133 - 2⁸ = 212112030877 is a prime.

It is a super-2 number, since 2×212112031133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112031123) 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, 32276738 + ... + 32283308.

It is an arithmetic number, because the mean of its divisors is an integer number (13667525520).

Almost surely, 2^212112031133 is an apocalyptic number.

It is an amenable number.

212112031133 is a deficient number, since it is larger than the sum of its proper divisors (6568377187).

212112031133 is a wasteful number, since it uses less digits than its factorization.

212112031133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13028.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 212112031133 its reverse (331130211212), we get a palindrome (543242242345).

The spelling of 212112031133 in words is "two hundred twelve billion, one hundred twelve million, thirty-one thousand, one hundred thirty-three".