12000451015 has 64 divisors (see below), whose sum is σ = 17791488000. Its totient is φ = 7587288576.

The previous prime is 12000450989. The next prime is 12000451031. The reversal of 12000451015 is 51015400021.

12000451015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12000451015 - 2⁵ = 12000450983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 12000450983 and 12000451001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6156261 + ... + 6158209.

It is an arithmetic number, because the mean of its divisors is an integer number (277992000).

Almost surely, 2^12000451015 is an apocalyptic number.

12000451015 is a deficient number, since it is larger than the sum of its proper divisors (5791036985).

12000451015 is a wasteful number, since it uses less digits than its factorization.

12000451015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224.

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 12000451015 its reverse (51015400021), we get a palindrome (63015851036).

The spelling of 12000451015 in words is "twelve billion, four hundred fifty-one thousand, fifteen".