1220242100313 has 8 divisors (see below), whose sum is σ = 1661606264448. Its totient is φ = 796186334864.

The previous prime is 1220242100267. The next prime is 1220242100317. The reversal of 1220242100313 is 3130012420221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220242100313 - 2⁸ = 1220242100057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1220242100313.

It is not an unprimeable number, because it can be changed into a prime (1220242100317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4327099506 + ... + 4327099787.

It is an arithmetic number, because the mean of its divisors is an integer number (207700783056).

Almost surely, 2^{1220242100313} is an apocalyptic number.

It is an amenable number.

1220242100313 is a deficient number, since it is larger than the sum of its proper divisors (441364164135).

1220242100313 is an equidigital number, since it uses as much as digits as its factorization.

1220242100313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8654199343.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1220242100313 its reverse (3130012420221), we get a palindrome (4350254520534).

The spelling of 1220242100313 in words is "one trillion, two hundred twenty billion, two hundred forty-two million, one hundred thousand, three hundred thirteen".