12147236007 has 4 divisors (see below), whose sum is σ = 16196314680. Its totient is φ = 8098157336.

The previous prime is 12147235873. The next prime is 12147236021. The reversal of 12147236007 is 70063274121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70063274121 = 3 ⋅23354424707.

It is a cyclic number.

It is not a de Polignac number, because 12147236007 - 2¹⁸ = 12146973863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12147236207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2024539332 + ... + 2024539337.

It is an arithmetic number, because the mean of its divisors is an integer number (4049078670).

Almost surely, 2^12147236007 is an apocalyptic number.

12147236007 is a deficient number, since it is larger than the sum of its proper divisors (4049078673).

12147236007 is an equidigital number, since it uses as much as digits as its factorization.

12147236007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049078672.

The product of its (nonzero) digits is 14112, while the sum is 33.

The spelling of 12147236007 in words is "twelve billion, one hundred forty-seven million, two hundred thirty-six thousand, seven".