12122552031 has 4 divisors (see below), whose sum is σ = 16163402712. Its totient is φ = 8081701352.

The previous prime is 12122552023. The next prime is 12122552047. The reversal of 12122552031 is 13025522121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12122552031 - 2³ = 12122552023 is a prime.

It is a super-2 number, since 2×12122552031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12122551992 and 12122552010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122552231) 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, 2020425336 + ... + 2020425341.

It is an arithmetic number, because the mean of its divisors is an integer number (4040850678).

Almost surely, 2^12122552031 is an apocalyptic number.

12122552031 is a deficient number, since it is larger than the sum of its proper divisors (4040850681).

12122552031 is an equidigital number, since it uses as much as digits as its factorization.

12122552031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040850680.

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 12122552031 in words is "twelve billion, one hundred twenty-two million, five hundred fifty-two thousand, thirty-one".