12239630458 has 16 divisors (see below), whose sum is σ = 20899290816. Its totient is φ = 5321578240.

The previous prime is 12239630453. The next prime is 12239630489. The reversal of 12239630458 is 85403693221.

It is not an unprimeable number, because it can be changed into a prime (12239630453) 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, 12093991 + ... + 12095002.

It is an arithmetic number, because the mean of its divisors is an integer number (1306205676).

Almost surely, 2^12239630458 is an apocalyptic number.

12239630458 is a deficient number, since it is larger than the sum of its proper divisors (8659660358).

12239630458 is a wasteful number, since it uses less digits than its factorization.

12239630458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24189029.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 12239630458 in words is "twelve billion, two hundred thirty-nine million, six hundred thirty thousand, four hundred fifty-eight".