1512130400452 has 12 divisors (see below), whose sum is σ = 3024260800960. Its totient is φ = 648055885896.

The previous prime is 1512130400369. The next prime is 1512130400453. The reversal of 1512130400452 is 2540040312151.

1512130400452 is an admirable number.

It is a super-2 number, since 2×1512130400452² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 54004657159 = 1512130400452 / (1 + 5 + 1 + 2 + 1 + 3 + 0 + 4 + 0 + 0 + 4 + 5 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 1512130400452.

It is not an unprimeable number, because it can be changed into a prime (1512130400453) 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, 27002328552 + ... + 27002328607.

Almost surely, 2^{1512130400452} is an apocalyptic number.

It is an amenable number.

1512130400452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1512130400452 is a wasteful number, since it uses less digits than its factorization.

1512130400452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54004657170 (or 54004657168 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 1512130400452 in words is "one trillion, five hundred twelve billion, one hundred thirty million, four hundred thousand, four hundred fifty-two".