12358049531 has 8 divisors (see below), whose sum is σ = 12825840720. Its totient is φ = 11893035168.

The previous prime is 12358049527. The next prime is 12358049533. The reversal of 12358049531 is 13594085321.

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 12358049531 - 2² = 12358049527 is a prime.

It is a super-2 number, since 2×12358049531² (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 (12358049533) 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, 685136 + ... + 702941.

It is an arithmetic number, because the mean of its divisors is an integer number (1603230090).

Almost surely, 2^12358049531 is an apocalyptic number.

12358049531 is a deficient number, since it is larger than the sum of its proper divisors (467791189).

12358049531 is a wasteful number, since it uses less digits than its factorization.

12358049531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388413.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 12358049531 in words is "twelve billion, three hundred fifty-eight million, forty-nine thousand, five hundred thirty-one".