12406517152 has 12 divisors (see below), whose sum is σ = 24425330706. Its totient is φ = 6203258560.

The previous prime is 12406517143. The next prime is 12406517171. The reversal of 12406517152 is 25171560421.

It can be written as a sum of positive squares in only one way, i.e., 10290885136 + 2115632016 = 101444^2 + 45996^2 .

It is a super-2 number, since 2×12406517152² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193851799 + ... + 193851862.

Almost surely, 2^12406517152 is an apocalyptic number.

It is an amenable number.

12406517152 is a deficient number, since it is larger than the sum of its proper divisors (12018813554).

12406517152 is an equidigital number, since it uses as much as digits as its factorization.

12406517152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387703671 (or 387703663 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 12406517152 in words is "twelve billion, four hundred six million, five hundred seventeen thousand, one hundred fifty-two".