1312502420233 has 4 divisors (see below), whose sum is σ = 1312785109008. Its totient is φ = 1312219731460.

The previous prime is 1312502420227. The next prime is 1312502420249. The reversal of 1312502420233 is 3320242052131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1312502420233 - 2²¹ = 1312500323081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312502427233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141337423 + ... + 141346708.

It is an arithmetic number, because the mean of its divisors is an integer number (328196277252).

Almost surely, 2^{1312502420233} is an apocalyptic number.

It is an amenable number.

1312502420233 is a deficient number, since it is larger than the sum of its proper divisors (282688775).

1312502420233 is an equidigital number, since it uses as much as digits as its factorization.

1312502420233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282688774.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 1312502420233 its reverse (3320242052131), we get a palindrome (4632744472364).

The spelling of 1312502420233 in words is "one trillion, three hundred twelve billion, five hundred two million, four hundred twenty thousand, two hundred thirty-three".