12550542707 has 4 divisors (see below), whose sum is σ = 12553846680. Its totient is φ = 12547238736.

The previous prime is 12550542679. The next prime is 12550542721. The reversal of 12550542707 is 70724505521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12550542707 - 2¹⁸ = 12550280563 is a prime.

It is a super-2 number, since 2×12550542707² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12550542307) 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, 1646282 + ... + 1653887.

It is an arithmetic number, because the mean of its divisors is an integer number (3138461670).

Almost surely, 2^12550542707 is an apocalyptic number.

12550542707 is a deficient number, since it is larger than the sum of its proper divisors (3303973).

12550542707 is an equidigital number, since it uses as much as digits as its factorization.

12550542707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303972.

The product of its (nonzero) digits is 98000, while the sum is 38.

The spelling of 12550542707 in words is "twelve billion, five hundred fifty million, five hundred forty-two thousand, seven hundred seven".