2312122202551 has 8 divisors (see below), whose sum is σ = 2696352423200. Its totient is φ = 1981819030464.

The previous prime is 2312122202521. The next prime is 2312122202557. The reversal of 2312122202551 is 1552022212132.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2312122202551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312122202557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3370440186 + ... + 3370440871.

It is an arithmetic number, because the mean of its divisors is an integer number (337044052900).

Almost surely, 2^{2312122202551} is an apocalyptic number.

2312122202551 is a deficient number, since it is larger than the sum of its proper divisors (384230220649).

2312122202551 is an frugal number, since it uses more digits than its factorization.

2312122202551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6740881078 (or 6740881064 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 2312122202551 its reverse (1552022212132), we get a palindrome (3864144414683).

The spelling of 2312122202551 in words is "two trillion, three hundred twelve billion, one hundred twenty-two million, two hundred two thousand, five hundred fifty-one".