1320247850013 has 20 divisors (see below), whose sum is σ = 2035842168448. Its totient is φ = 851772804840.

The previous prime is 1320247849957. The next prime is 1320247850023. The reversal of 1320247850013 is 3100587420231.

1320247850013 is a `hidden beast` number, since 1 + 320 + 247 + 85 + 0 + 0 + 13 = 666.

It is not a de Polignac number, because 1320247850013 - 2¹⁷ = 1320247718941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320247850013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320247850023) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 262890331 + ... + 262895352.

Almost surely, 2^{1320247850013} is an apocalyptic number.

It is an amenable number.

1320247850013 is a deficient number, since it is larger than the sum of its proper divisors (715594318435).

1320247850013 is an equidigital number, since it uses as much as digits as its factorization.

1320247850013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525785726 (or 525785717 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 1320247850013 in words is "one trillion, three hundred twenty billion, two hundred forty-seven million, eight hundred fifty thousand, thirteen".