2312122212131 has 8 divisors (see below), whose sum is σ = 2322933918720. Its totient is φ = 2301324576768.

The previous prime is 2312122212119. The next prime is 2312122212161. The reversal of 2312122212131 is 1312122212132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2312122212131 - 2¹⁰ = 2312122211107 is a prime.

It is a super-2 number, since 2×2312122212131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312122212097 and 2312122212106.

It is not an unprimeable number, because it can be changed into a prime (2312122212161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3188336 + ... + 3845741.

It is an arithmetic number, because the mean of its divisors is an integer number (290366739840).

Almost surely, 2^{2312122212131} is an apocalyptic number.

2312122212131 is a deficient number, since it is larger than the sum of its proper divisors (10811706589).

2312122212131 is a wasteful number, since it uses less digits than its factorization.

2312122212131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7035613.

The product of its digits is 576, while the sum is 23.

Adding to 2312122212131 its reverse (1312122212132), we get a palindrome (3624244424263).

Subtracting from 2312122212131 its reverse (1312122212132), we obtain a palindrome (999999999999).

The spelling of 2312122212131 in words is "two trillion, three hundred twelve billion, one hundred twenty-two million, two hundred twelve thousand, one hundred thirty-one".