1321300131232 has 12 divisors (see below), whose sum is σ = 2601309633426. Its totient is φ = 660650065600.

The previous prime is 1321300131223. The next prime is 1321300131253. The reversal of 1321300131232 is 2321310031231.

It can be written as a sum of positive squares in only one way, i.e., 971730663696 + 349569467536 = 985764^2 + 591244^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20645314519 + ... + 20645314582.

Almost surely, 2^{1321300131232} is an apocalyptic number.

It is an amenable number.

1321300131232 is a deficient number, since it is larger than the sum of its proper divisors (1280009502194).

1321300131232 is an equidigital number, since it uses as much as digits as its factorization.

1321300131232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41290629111 (or 41290629103 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1321300131232 its reverse (2321310031231), we get a palindrome (3642610162463).

The spelling of 1321300131232 in words is "one trillion, three hundred twenty-one billion, three hundred million, one hundred thirty-one thousand, two hundred thirty-two".