123021111310213 has 8 divisors (see below), whose sum is σ = 123759934607232. Its totient is φ = 122282313846096.

The previous prime is 123021111310199. The next prime is 123021111310243. The reversal of 123021111310213 is 312013111120321.

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 123021111310213 - 2²¹ = 123021109213061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123021111310243) 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, 3137431 + ... + 15996427.

It is an arithmetic number, because the mean of its divisors is an integer number (15469991825904).

Almost surely, 2^{123021111310213} is an apocalyptic number.

It is an amenable number.

123021111310213 is a deficient number, since it is larger than the sum of its proper divisors (738823297019).

123021111310213 is a wasteful number, since it uses less digits than its factorization.

123021111310213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12916451.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 123021111310213 its reverse (312013111120321), we get a palindrome (435034222430534).

The spelling of 123021111310213 in words is "one hundred twenty-three trillion, twenty-one billion, one hundred eleven million, three hundred ten thousand, two hundred thirteen".