1321301200413 has 16 divisors (see below), whose sum is σ = 1788163808256. Its totient is φ = 867655005360.

The previous prime is 1321301200381. The next prime is 1321301200421. The reversal of 1321301200413 is 3140021031231.

It is not a de Polignac number, because 1321301200413 - 2⁵ = 1321301200381 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1321301200413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321301202413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2511820 + ... + 2991962.

It is an arithmetic number, because the mean of its divisors is an integer number (111760238016).

Almost surely, 2^{1321301200413} is an apocalyptic number.

It is an amenable number.

1321301200413 is a deficient number, since it is larger than the sum of its proper divisors (466862607843).

1321301200413 is a wasteful number, since it uses less digits than its factorization.

1321301200413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493904.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1321301200413 its reverse (3140021031231), we get a palindrome (4461322231644).

The spelling of 1321301200413 in words is "one trillion, three hundred twenty-one billion, three hundred one million, two hundred thousand, four hundred thirteen".