1223301112013 has 4 divisors (see below), whose sum is σ = 1227848700060. Its totient is φ = 1218753523968.

The previous prime is 1223301112003. The next prime is 1223301112039. The reversal of 1223301112013 is 3102111033221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88281482884 + 1135019629129 = 297122^2 + 1065373^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223301112013 - 2¹⁶ = 1223301046477 is a prime.

It is a super-2 number, since 2×1223301112013² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223301112003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2273793620 + ... + 2273794157.

It is an arithmetic number, because the mean of its divisors is an integer number (306962175015).

Almost surely, 2^{1223301112013} is an apocalyptic number.

It is an amenable number.

1223301112013 is a deficient number, since it is larger than the sum of its proper divisors (4547588047).

1223301112013 is an equidigital number, since it uses as much as digits as its factorization.

1223301112013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547588046.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1223301112013 its reverse (3102111033221), we get a palindrome (4325412145234).

The spelling of 1223301112013 in words is "one trillion, two hundred twenty-three billion, three hundred one million, one hundred twelve thousand, thirteen".