1312244030402 has 8 divisors (see below), whose sum is σ = 1968569481276. Its totient is φ = 656054203312.

The previous prime is 1312244030387. The next prime is 1312244030411. The reversal of 1312244030402 is 2040304422131.

It can be written as a sum of positive squares in 2 ways, for example, as 1311073090441 + 1170939961 = 1145021^2 + 34219^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33881753 + ... + 33920460.

Almost surely, 2^{1312244030402} is an apocalyptic number.

1312244030402 is a deficient number, since it is larger than the sum of its proper divisors (656325450874).

1312244030402 is an equidigital number, since it uses as much as digits as its factorization.

1312244030402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67811892.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1312244030402 its reverse (2040304422131), we get a palindrome (3352548452533).

The spelling of 1312244030402 in words is "one trillion, three hundred twelve billion, two hundred forty-four million, thirty thousand, four hundred two".