12629239570 has 16 divisors (see below), whose sum is σ = 22821089688. Its totient is φ = 5032038400.

The previous prime is 12629239559. The next prime is 12629239583. The reversal of 12629239570 is 7593292621.

It can be written as a sum of positive squares in 4 ways, for example, as 12527653329 + 101586241 = 111927^2 + 10079^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12629239570.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2454481 + ... + 2459620.

Almost surely, 2^12629239570 is an apocalyptic number.

12629239570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12629239570 is a deficient number, since it is larger than the sum of its proper divisors (10191850118).

12629239570 is a wasteful number, since it uses less digits than its factorization.

12629239570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4914365.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 12629239570 in words is "twelve billion, six hundred twenty-nine million, two hundred thirty-nine thousand, five hundred seventy".