2312122302 has 24 divisors (see below), whose sum is σ = 5725255536. Its totient is φ = 660606336.

The previous prime is 2312122273. The next prime is 2312122303. The reversal of 2312122302 is 2032212132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312122303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9174963 + ... + 9175214.

It is an arithmetic number, because the mean of its divisors is an integer number (238552314).

Almost surely, 2^2312122302 is an apocalyptic number.

2312122302 is an abundant number, since it is smaller than the sum of its proper divisors (3413133234).

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

2312122302 is a wasteful number, since it uses less digits than its factorization.

2312122302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18350192 (or 18350189 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2312122302 is about 48084.5328770073. The cubic root of 2312122302 is about 1322.3211192646.

Adding to 2312122302 its reverse (2032212132), we get a palindrome (4344334434).

The spelling of 2312122302 in words is "two billion, three hundred twelve million, one hundred twenty-two thousand, three hundred two".