123013322121 has 8 divisors (see below), whose sum is σ = 164136535744. Its totient is φ = 81949494960.

The previous prime is 123013322093. The next prime is 123013322143. The reversal of 123013322121 is 121223310321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123013322121 - 2¹⁹ = 123012797833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123013322161) 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, 14841781 + ... + 14850066.

It is an arithmetic number, because the mean of its divisors is an integer number (20517066968).

Almost surely, 2^123013322121 is an apocalyptic number.

It is an amenable number.

123013322121 is a deficient number, since it is larger than the sum of its proper divisors (41123213623).

123013322121 is a wasteful number, since it uses less digits than its factorization.

123013322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29693231.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123013322121 its reverse (121223310321), we get a palindrome (244236632442).

The spelling of 123013322121 in words is "one hundred twenty-three billion, thirteen million, three hundred twenty-two thousand, one hundred twenty-one".