1243213014113 has 4 divisors (see below), whose sum is σ = 1420814873280. Its totient is φ = 1065611154948.

The previous prime is 1243213014097. The next prime is 1243213014133. The reversal of 1243213014113 is 3114103123421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1243213014113 - 2⁴ = 1243213014097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1243213014133) 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, 88800929573 + ... + 88800929586.

It is an arithmetic number, because the mean of its divisors is an integer number (355203718320).

Almost surely, 2^{1243213014113} is an apocalyptic number.

It is an amenable number.

1243213014113 is a deficient number, since it is larger than the sum of its proper divisors (177601859167).

1243213014113 is an equidigital number, since it uses as much as digits as its factorization.

1243213014113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177601859166.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 1243213014113 its reverse (3114103123421), we get a palindrome (4357316137534).

The spelling of 1243213014113 in words is "one trillion, two hundred forty-three billion, two hundred thirteen million, fourteen thousand, one hundred thirteen".