2312212312 has 8 divisors (see below), whose sum is σ = 4335398100. Its totient is φ = 1156106152.

The previous prime is 2312212307. The next prime is 2312212339. The reversal of 2312212312 is 2132122132.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2312212312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144513262 + ... + 144513277.

Almost surely, 2^2312212312 is an apocalyptic number.

It is an amenable number.

2312212312 is a deficient number, since it is larger than the sum of its proper divisors (2023185788).

2312212312 is a wasteful number, since it uses less digits than its factorization.

2312212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289026545 (or 289026541 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 2312212312 is about 48085.4688237517. The cubic root of 2312212312 is about 1322.3382781867.

Adding to 2312212312 its reverse (2132122132), we get a palindrome (4444334444).

The spelling of 2312212312 in words is "two billion, three hundred twelve million, two hundred twelve thousand, three hundred twelve".