12275427131 has 12 divisors (see below), whose sum is σ = 13500806592. Its totient is φ = 11152878000.

The previous prime is 12275427119. The next prime is 12275427169. The reversal of 12275427131 is 13172457221.

It is not a de Polignac number, because 12275427131 - 2¹⁴ = 12275410747 is a prime.

It is a super-2 number, since 2×12275427131² (a number of 21 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 = 12275427091 and 12275427100.

It is not an unprimeable number, because it can be changed into a prime (12275426131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181526 + ... + 239796.

It is an arithmetic number, because the mean of its divisors is an integer number (1125067216).

Almost surely, 2^12275427131 is an apocalyptic number.

12275427131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12275427131 is a deficient number, since it is larger than the sum of its proper divisors (1225379461).

12275427131 is a wasteful number, since it uses less digits than its factorization.

12275427131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60034 (or 60023 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The spelling of 12275427131 in words is "twelve billion, two hundred seventy-five million, four hundred twenty-seven thousand, one hundred thirty-one".