12270147831 has 6 divisors (see below), whose sum is σ = 17723546880. Its totient is φ = 8180098548.

The previous prime is 12270147803. The next prime is 12270147871. The reversal of 12270147831 is 13874107221.

It is not a de Polignac number, because 12270147831 - 2¹⁰ = 12270146807 is a prime.

It is a super-2 number, since 2×12270147831² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12270147871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 681674871 + ... + 681674888.

It is an arithmetic number, because the mean of its divisors is an integer number (2953924480).

Almost surely, 2^12270147831 is an apocalyptic number.

12270147831 is a deficient number, since it is larger than the sum of its proper divisors (5453399049).

12270147831 is a wasteful number, since it uses less digits than its factorization.

12270147831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363349765 (or 1363349762 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 12270147831 in words is "twelve billion, two hundred seventy million, one hundred forty-seven thousand, eight hundred thirty-one".