12249468731 has 8 divisors (see below), whose sum is σ = 12785743104. Its totient is φ = 11713501800.

The previous prime is 12249468727. The next prime is 12249468767. The reversal of 12249468731 is 13786494221.

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 12249468731 - 2² = 12249468727 is a prime.

It is a super-2 number, since 2×12249468731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12249428731) 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, 6506 + ... + 156656.

It is an arithmetic number, because the mean of its divisors is an integer number (1598217888).

Almost surely, 2^12249468731 is an apocalyptic number.

12249468731 is a deficient number, since it is larger than the sum of its proper divisors (536274373).

12249468731 is a wasteful number, since it uses less digits than its factorization.

12249468731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153721.

The product of its digits is 580608, while the sum is 47.

The spelling of 12249468731 in words is "twelve billion, two hundred forty-nine million, four hundred sixty-eight thousand, seven hundred thirty-one".