12046685051 has 4 divisors (see below), whose sum is σ = 12113241504. Its totient is φ = 11980128600.

The previous prime is 12046685047. The next prime is 12046685069. The reversal of 12046685051 is 15058664021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15058664021 = 83 ⋅181429687.

It is a cyclic number.

It is not a de Polignac number, because 12046685051 - 2² = 12046685047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12046684996 and 12046685014.

It is not an unprimeable number, because it can be changed into a prime (12046685251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33277955 + ... + 33278316.

It is an arithmetic number, because the mean of its divisors is an integer number (3028310376).

Almost surely, 2^12046685051 is an apocalyptic number.

12046685051 is a deficient number, since it is larger than the sum of its proper divisors (66556453).

12046685051 is an equidigital number, since it uses as much as digits as its factorization.

12046685051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66556452.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 12046685051 in words is "twelve billion, forty-six million, six hundred eighty-five thousand, fifty-one".