12550147879 has 4 divisors (see below), whose sum is σ = 12786943176. Its totient is φ = 12313352584.

The previous prime is 12550147877. The next prime is 12550147963. The reversal of 12550147879 is 97874105521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97874105521 = 1543 ⋅63431047.

It is a cyclic number.

It is not a de Polignac number, because 12550147879 - 2¹ = 12550147877 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12550147871) 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, 118397569 + ... + 118397674.

It is an arithmetic number, because the mean of its divisors is an integer number (3196735794).

Almost surely, 2^12550147879 is an apocalyptic number.

12550147879 is a deficient number, since it is larger than the sum of its proper divisors (236795297).

12550147879 is an equidigital number, since it uses as much as digits as its factorization.

12550147879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236795296.

The product of its (nonzero) digits is 705600, while the sum is 49.

The spelling of 12550147879 in words is "twelve billion, five hundred fifty million, one hundred forty-seven thousand, eight hundred seventy-nine".