1231415214152 has 8 divisors (see below), whose sum is σ = 2308903526550. Its totient is φ = 615707607072.

The previous prime is 1231415214149. The next prime is 1231415214167. The reversal of 1231415214152 is 2514125141321.

It can be written as a sum of positive squares in only one way, i.e., 642104126596 + 589311087556 = 801314^2 + 767666^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76963450877 + ... + 76963450892.

Almost surely, 2^{1231415214152} is an apocalyptic number.

It is an amenable number.

1231415214152 is a deficient number, since it is larger than the sum of its proper divisors (1077488312398).

1231415214152 is a wasteful number, since it uses less digits than its factorization.

1231415214152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153926901775 (or 153926901771 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The spelling of 1231415214152 in words is "one trillion, two hundred thirty-one billion, four hundred fifteen million, two hundred fourteen thousand, one hundred fifty-two".