1231152035224 has 32 divisors (see below), whose sum is σ = 2391007021200. Its totient is φ = 593603436160.

The previous prime is 1231152035159. The next prime is 1231152035297. The reversal of 1231152035224 is 4225302511321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3144262 + ... + 3514069.

Almost surely, 2^{1231152035224} is an apocalyptic number.

It is an amenable number.

1231152035224 is a deficient number, since it is larger than the sum of its proper divisors (1159854985976).

1231152035224 is a wasteful number, since it uses less digits than its factorization.

1231152035224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6659163 (or 6659159 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1231152035224 its reverse (4225302511321), we get a palindrome (5456454546545).

The spelling of 1231152035224 in words is "one trillion, two hundred thirty-one billion, one hundred fifty-two million, thirty-five thousand, two hundred twenty-four".