1312201324402 has 16 divisors (see below), whose sum is σ = 1981946491200. Its totient is φ = 651554425072.

The previous prime is 1312201324387. The next prime is 1312201324439. The reversal of 1312201324402 is 2044231022131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885333 + ... + 1846135.

It is an arithmetic number, because the mean of its divisors is an integer number (123871655700).

Almost surely, 2^{1312201324402} is an apocalyptic number.

1312201324402 is a deficient number, since it is larger than the sum of its proper divisors (669745166798).

1312201324402 is a wasteful number, since it uses less digits than its factorization.

1312201324402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965537.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1312201324402 its reverse (2044231022131), we get a palindrome (3356432346533).

The spelling of 1312201324402 in words is "one trillion, three hundred twelve billion, two hundred one million, three hundred twenty-four thousand, four hundred two".