1312223012113 has 16 divisors (see below), whose sum is σ = 1418266301760. Its totient is φ = 1206911520576.

The previous prime is 1312223012071. The next prime is 1312223012119. The reversal of 1312223012113 is 3112103222131.

It is a cyclic number.

It is not a de Polignac number, because 1312223012113 - 2²⁵ = 1312189457681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312223012119) 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, 11553306 + ... + 11666332.

It is an arithmetic number, because the mean of its divisors is an integer number (88641643860).

Almost surely, 2^{1312223012113} is an apocalyptic number.

1312223012113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1312223012113 is a deficient number, since it is larger than the sum of its proper divisors (106043289647).

1312223012113 is a wasteful number, since it uses less digits than its factorization.

1312223012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116256.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1312223012113 its reverse (3112103222131), we get a palindrome (4424326234244).

The spelling of 1312223012113 in words is "one trillion, three hundred twelve billion, two hundred twenty-three million, twelve thousand, one hundred thirteen".