1231352432452 has 12 divisors (see below), whose sum is σ = 2154910671760. Its totient is φ = 615663669096.

The previous prime is 1231352432447. The next prime is 1231352432461. The reversal of 1231352432452 is 2542342531321.

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, 2914218 + ... + 3309889.

Almost surely, 2^{1231352432452} is an apocalyptic number.

It is an amenable number.

1231352432452 is a deficient number, since it is larger than the sum of its proper divisors (923558239308).

1231352432452 is a wasteful number, since it uses less digits than its factorization.

1231352432452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6273570 (or 6273568 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

Adding to 1231352432452 its reverse (2542342531321), we get a palindrome (3773694963773).

The spelling of 1231352432452 in words is "one trillion, two hundred thirty-one billion, three hundred fifty-two million, four hundred thirty-two thousand, four hundred fifty-two".