2112232997 has 4 divisors (see below), whose sum is σ = 2413980576. Its totient is φ = 1810485420.

The previous prime is 2112232987. The next prime is 2112233029. The reversal of 2112232997 is 7992322112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112232997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2112232997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112232937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150873779 + ... + 150873792.

It is an arithmetic number, because the mean of its divisors is an integer number (603495144).

Almost surely, 2^2112232997 is an apocalyptic number.

It is an amenable number.

2112232997 is a deficient number, since it is larger than the sum of its proper divisors (301747579).

2112232997 is an equidigital number, since it uses as much as digits as its factorization.

2112232997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301747578.

The product of its digits is 27216, while the sum is 38.

The square root of 2112232997 is about 45959.0360756185. The cubic root of 2112232997 is about 1283.0609111900.

The spelling of 2112232997 in words is "two billion, one hundred twelve million, two hundred thirty-two thousand, nine hundred ninety-seven".