212112031033 has 24 divisors (see below), whose sum is σ = 261793866048. Its totient is φ = 168235649568.

The previous prime is 212112030989. The next prime is 212112031063. The reversal of 212112031033 is 330130211212.

It is not a de Polignac number, because 212112031033 - 2²¹ = 212109933881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212112031033.

It is not an unprimeable number, because it can be changed into a prime (212112031063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 867366 + ... + 1084687.

It is an arithmetic number, because the mean of its divisors is an integer number (10908077752).

Almost surely, 2^212112031033 is an apocalyptic number.

It is an amenable number.

212112031033 is a deficient number, since it is larger than the sum of its proper divisors (49681835015).

212112031033 is a wasteful number, since it uses less digits than its factorization.

212112031033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952141 (or 1952122 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212112031033 its reverse (330130211212), we get a palindrome (542242242245).

The spelling of 212112031033 in words is "two hundred twelve billion, one hundred twelve million, thirty-one thousand, thirty-three".