1231350411512 has 16 divisors (see below), whose sum is σ = 2486380638840. Its totient is φ = 568315574496.

The previous prime is 1231350411509. The next prime is 1231350411521. The reversal of 1231350411512 is 2151140531321.

It is a happy number.

It is a super-2 number, since 2×1231350411512² (a number of 25 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 5919953798 + ... + 5919954005.

Almost surely, 2^{1231350411512} is an apocalyptic number.

It is an amenable number.

1231350411512 is an abundant number, since it is smaller than the sum of its proper divisors (1255030227328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231350411512 is a wasteful number, since it uses less digits than its factorization.

1231350411512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11839907822 (or 11839907818 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 1231350411512 its reverse (2151140531321), we get a palindrome (3382490942833).

The spelling of 1231350411512 in words is "one trillion, two hundred thirty-one billion, three hundred fifty million, four hundred eleven thousand, five hundred twelve".