1231512053241 has 8 divisors (see below), whose sum is σ = 1642066004704. Its totient is φ = 820983068640.

The previous prime is 1231512053179. The next prime is 1231512053257. The reversal of 1231512053241 is 1423502151321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1231512053241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1231512053199 and 1231512053208.

It is not an unprimeable number, because it can be changed into a prime (1231512053341) 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, 6126316 + ... + 6324141.

It is an arithmetic number, because the mean of its divisors is an integer number (205258250588).

Almost surely, 2^{1231512053241} is an apocalyptic number.

It is an amenable number.

1231512053241 is a deficient number, since it is larger than the sum of its proper divisors (410553951463).

1231512053241 is a wasteful number, since it uses less digits than its factorization.

1231512053241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12483431.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 1231512053241 in words is "one trillion, two hundred thirty-one billion, five hundred twelve million, fifty-three thousand, two hundred forty-one".