12046610721 has 8 divisors (see below), whose sum is σ = 16062900480. Its totient is φ = 8030697392.

The previous prime is 12046610699. The next prime is 12046610747. The reversal of 12046610721 is 12701664021.

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 12046610721 - 2⁶ = 12046610657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12046610761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8241 + ... + 155438.

It is an arithmetic number, because the mean of its divisors is an integer number (2007862560).

Almost surely, 2^12046610721 is an apocalyptic number.

It is an amenable number.

12046610721 is a deficient number, since it is larger than the sum of its proper divisors (4016289759).

12046610721 is a wasteful number, since it uses less digits than its factorization.

12046610721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188215.

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 12046610721 in words is "twelve billion, forty-six million, six hundred ten thousand, seven hundred twenty-one".