123101321211203 has 16 divisors (see below), whose sum is σ = 123992112560640. Its totient is φ = 122211911203200.

The previous prime is 123101321211179. The next prime is 123101321211223. The reversal of 123101321211203 is 302112123101321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 123101321211203 - 2¹² = 123101321207107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123101321211223) 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, 1355382533 + ... + 1355473353.

It is an arithmetic number, because the mean of its divisors is an integer number (7749507035040).

Almost surely, 2^{123101321211203} is an apocalyptic number.

123101321211203 is a deficient number, since it is larger than the sum of its proper divisors (890791349437).

123101321211203 is a wasteful number, since it uses less digits than its factorization.

123101321211203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98318.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 123101321211203 its reverse (302112123101321), we get a palindrome (425213444312524).

The spelling of 123101321211203 in words is "one hundred twenty-three trillion, one hundred one billion, three hundred twenty-one million, two hundred eleven thousand, two hundred three".