12451515043 has 12 divisors (see below), whose sum is σ = 14406714280. Its totient is φ = 10723790880.

The previous prime is 12451515019. The next prime is 12451515073. The reversal of 12451515043 is 34051515421.

It is not a de Polignac number, because 12451515043 - 2²¹ = 12449417891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12451514996 and 12451515014.

It is not an unprimeable number, because it can be changed into a prime (12451515073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2705730 + ... + 2710327.

Almost surely, 2^12451515043 is an apocalyptic number.

12451515043 is a deficient number, since it is larger than the sum of its proper divisors (1955199237).

12451515043 is a wasteful number, since it uses less digits than its factorization.

12451515043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5416098 (or 5416087 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 12451515043 in words is "twelve billion, four hundred fifty-one million, five hundred fifteen thousand, forty-three".