12000031045 has 16 divisors (see below), whose sum is σ = 14566674672. Its totient is φ = 9489392640.

The previous prime is 12000031037. The next prime is 12000031067. The reversal of 12000031045 is 54013000021.

It can be written as a sum of positive squares in 8 ways, for example, as 1563569764 + 10436461281 = 39542^2 + 102159^2 .

It is not a de Polignac number, because 12000031045 - 2³ = 12000031037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182275 + ... + 239215.

It is an arithmetic number, because the mean of its divisors is an integer number (910417167).

Almost surely, 2^12000031045 is an apocalyptic number.

It is an amenable number.

12000031045 is a deficient number, since it is larger than the sum of its proper divisors (2566643627).

12000031045 is a wasteful number, since it uses less digits than its factorization.

12000031045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57432.

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 12000031045 its reverse (54013000021), we get a palindrome (66013031066).

The spelling of 12000031045 in words is "twelve billion, thirty-one thousand, forty-five".