12561600373 has 8 divisors (see below), whose sum is σ = 15200592192. Its totient is φ = 10133727936.

The previous prime is 12561600347. The next prime is 12561600383. The reversal of 12561600373 is 37300616521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12561600373 - 2²⁹ = 12024729461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12561600313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52779715 + ... + 52779952.

It is an arithmetic number, because the mean of its divisors is an integer number (1900074024).

Almost surely, 2^12561600373 is an apocalyptic number.

It is an amenable number.

12561600373 is a deficient number, since it is larger than the sum of its proper divisors (2638991819).

12561600373 is a wasteful number, since it uses less digits than its factorization.

12561600373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105559691.

The product of its (nonzero) digits is 22680, while the sum is 34.

The spelling of 12561600373 in words is "twelve billion, five hundred sixty-one million, six hundred thousand, three hundred seventy-three".