1231504034252 has 24 divisors (see below), whose sum is σ = 2167255682592. Its totient is φ = 612288806400.

The previous prime is 1231504034251. The next prime is 1231504034273. The reversal of 1231504034252 is 2524304051321.

It is not an unprimeable number, because it can be changed into a prime (1231504034251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7640252 + ... + 7799772.

It is an arithmetic number, because the mean of its divisors is an integer number (90302320108).

Almost surely, 2^{1231504034252} is an apocalyptic number.

It is an amenable number.

1231504034252 is a deficient number, since it is larger than the sum of its proper divisors (935751648340).

1231504034252 is a wasteful number, since it uses less digits than its factorization.

1231504034252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170369 (or 170367 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 1231504034252 its reverse (2524304051321), we get a palindrome (3755808085573).

The spelling of 1231504034252 in words is "one trillion, two hundred thirty-one billion, five hundred four million, thirty-four thousand, two hundred fifty-two".