123221314434213 has 12 divisors (see below), whose sum is σ = 178770423881088. Its totient is φ = 81785659505640.

The previous prime is 123221314434191. The next prime is 123221314434223. The reversal of 123221314434213 is 312434413122321.

123221314434213 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 2 + 1 + 3 + 1 + 4 + 434 + 213 = 666.

It is not a de Polignac number, because 123221314434213 - 2³² = 123217019466917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123221314434223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30156952053 + ... + 30156956138.

It is an arithmetic number, because the mean of its divisors is an integer number (14897535323424).

Almost surely, 2^{123221314434213} is an apocalyptic number.

It is an amenable number.

123221314434213 is a deficient number, since it is larger than the sum of its proper divisors (55549109446875).

123221314434213 is a wasteful number, since it uses less digits than its factorization.

123221314434213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60313908424 (or 60313908421 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

Adding to 123221314434213 its reverse (312434413122321), we get a palindrome (435655727556534).

The spelling of 123221314434213 in words is "one hundred twenty-three trillion, two hundred twenty-one billion, three hundred fourteen million, four hundred thirty-four thousand, two hundred thirteen".