1512210400432 has 20 divisors (see below), whose sum is σ = 2942064951496. Its totient is φ = 752967832320.

The previous prime is 1512210400423. The next prime is 1512210400451. The reversal of 1512210400432 is 2340040122151.

It is a junction number, because it is equal to n+sod(n) for n = 1512210400397 and 1512210400406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196081518 + ... + 196089229.

Almost surely, 2^{1512210400432} is an apocalyptic number.

It is an amenable number.

1512210400432 is a deficient number, since it is larger than the sum of its proper divisors (1429854551064).

1512210400432 is a wasteful number, since it uses less digits than its factorization.

1512210400432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392170996 (or 392170990 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1512210400432 its reverse (2340040122151), we get a palindrome (3852250522583).

The spelling of 1512210400432 in words is "one trillion, five hundred twelve billion, two hundred ten million, four hundred thousand, four hundred thirty-two".