12100557635 has 4 divisors (see below), whose sum is σ = 14520669168. Its totient is φ = 9680446104.

The previous prime is 12100557629. The next prime is 12100557727. The reversal of 12100557635 is 53675500121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53675500121 = 853 ⋅62925557.

It is a cyclic number.

It is not a de Polignac number, because 12100557635 - 2²⁴ = 12083780419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100557595 and 12100557604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210055759 + ... + 1210055768.

It is an arithmetic number, because the mean of its divisors is an integer number (3630167292).

Almost surely, 2^12100557635 is an apocalyptic number.

12100557635 is a deficient number, since it is larger than the sum of its proper divisors (2420111533).

12100557635 is an equidigital number, since it uses as much as digits as its factorization.

12100557635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420111532.

The product of its (nonzero) digits is 31500, while the sum is 35.

The spelling of 12100557635 in words is "twelve billion, one hundred million, five hundred fifty-seven thousand, six hundred thirty-five".