12609151047 has 6 divisors (see below), whose sum is σ = 18213218192. Its totient is φ = 8406100692.

The previous prime is 12609151021. The next prime is 12609151109. The reversal of 12609151047 is 74015190621.

12609151047 is a `hidden beast` number, since 1 + 2 + 609 + 1 + 5 + 1 + 0 + 47 = 666.

It is not a de Polignac number, because 12609151047 - 2¹² = 12609146951 is a prime.

It is a super-2 number, since 2×12609151047² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12609151847) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 700508383 + ... + 700508400.

Almost surely, 2^12609151047 is an apocalyptic number.

12609151047 is a deficient number, since it is larger than the sum of its proper divisors (5604067145).

12609151047 is a wasteful number, since it uses less digits than its factorization.

12609151047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401016789 (or 1401016786 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 12609151047 in words is "twelve billion, six hundred nine million, one hundred fifty-one thousand, forty-seven".