1321324400245 has 8 divisors (see below), whose sum is σ = 1589373505440. Its totient is φ = 1054536703440.

The previous prime is 1321324400213. The next prime is 1321324400351. The reversal of 1321324400245 is 5420044231231.

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

It is not a de Polignac number, because 1321324400245 - 2⁵ = 1321324400213 is a prime.

It is a congruent number.

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, 315349791 + ... + 315353980.

It is an arithmetic number, because the mean of its divisors is an integer number (198671688180).

Almost surely, 2^{1321324400245} is an apocalyptic number.

It is an amenable number.

1321324400245 is a deficient number, since it is larger than the sum of its proper divisors (268049105195).

1321324400245 is an equidigital number, since it uses as much as digits as its factorization.

1321324400245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630704195.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 1321324400245 its reverse (5420044231231), we get a palindrome (6741368631476).

The spelling of 1321324400245 in words is "one trillion, three hundred twenty-one billion, three hundred twenty-four million, four hundred thousand, two hundred forty-five".