12366040051 has 4 divisors (see below), whose sum is σ = 12367995952. Its totient is φ = 12364084152.

The previous prime is 12366040031. The next prime is 12366040073. The reversal of 12366040051 is 15004066321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15004066321 = 6733 ⋅2228437.

It is a cyclic number.

It is not a de Polignac number, because 12366040051 - 2⁵ = 12366040019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12366040031) 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, 968436 + ... + 981121.

It is an arithmetic number, because the mean of its divisors is an integer number (3091998988).

Almost surely, 2^12366040051 is an apocalyptic number.

12366040051 is a deficient number, since it is larger than the sum of its proper divisors (1955901).

12366040051 is an equidigital number, since it uses as much as digits as its factorization.

12366040051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955900.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 12366040051 in words is "twelve billion, three hundred sixty-six million, forty thousand, fifty-one".