12308571136 has 33 divisors (see below), whose sum is σ = 24612221179. Its totient is φ = 6152510464.

The previous prime is 12308571109. The next prime is 12308571211. The reversal of 12308571136 is 63117580321.

The square root of 12308571136 is 110944.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12308571095 and 12308571104.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3548475 + ... + 3551941.

Almost surely, 2^12308571136 is an apocalyptic number.

12308571136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12308571136 is the 110944-th square number.

It is an amenable number.

12308571136 is a deficient number, since it is larger than the sum of its proper divisors (12303650043).

12308571136 is an frugal number, since it uses more digits than its factorization.

12308571136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6954 (or 3469 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 12308571136 in words is "twelve billion, three hundred eight million, five hundred seventy-one thousand, one hundred thirty-six".