13212110123 has 12 divisors (see below), whose sum is σ = 13957145568. Its totient is φ = 12505011120.

The previous prime is 13212110113. The next prime is 13212110143. The reversal of 13212110123 is 32101121231.

It is not a de Polignac number, because 13212110123 - 2²⁴ = 13195332907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13212110113) 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, 381593 + ... + 414773.

It is an arithmetic number, because the mean of its divisors is an integer number (1163095464).

Almost surely, 2^13212110123 is an apocalyptic number.

13212110123 is a deficient number, since it is larger than the sum of its proper divisors (745035445).

13212110123 is a wasteful number, since it uses less digits than its factorization.

13212110123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34322 (or 34303 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13212110123 its reverse (32101121231), we get a palindrome (45313231354).

The spelling of 13212110123 in words is "thirteen billion, two hundred twelve million, one hundred ten thousand, one hundred twenty-three".