12004651007 has 4 divisors (see below), whose sum is σ = 12418604520. Its totient is φ = 11590697496.

The previous prime is 12004650979. The next prime is 12004651019. The reversal of 12004651007 is 70015640021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12004651007 - 2⁶ = 12004650943 is a prime.

It is a super-2 number, since 2×12004651007² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12004651037) 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, 206976713 + ... + 206976770.

It is an arithmetic number, because the mean of its divisors is an integer number (3104651130).

Almost surely, 2^12004651007 is an apocalyptic number.

12004651007 is a deficient number, since it is larger than the sum of its proper divisors (413953513).

12004651007 is an equidigital number, since it uses as much as digits as its factorization.

12004651007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413953512.

The product of its (nonzero) digits is 1680, while the sum is 26.

The spelling of 12004651007 in words is "twelve billion, four million, six hundred fifty-one thousand, seven".