12210112020123 has 12 divisors (see below), whose sum is σ = 17687363803200. Its totient is φ = 8116750681776.

The previous prime is 12210112020107. The next prime is 12210112020131. The reversal of 12210112020123 is 32102021101221.

It is not a de Polignac number, because 12210112020123 - 2⁴ = 12210112020107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12210112020096 and 12210112020105.

It is not an unprimeable number, because it can be changed into a prime (12210112020143) 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, 1943663211 + ... + 1943669492.

It is an arithmetic number, because the mean of its divisors is an integer number (1473946983600).

Almost surely, 2^{12210112020123} is an apocalyptic number.

12210112020123 is a deficient number, since it is larger than the sum of its proper divisors (5477251783077).

12210112020123 is a wasteful number, since it uses less digits than its factorization.

12210112020123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887333058 (or 3887333055 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12210112020123 its reverse (32102021101221), we get a palindrome (44312133121344).

The spelling of 12210112020123 in words is "twelve trillion, two hundred ten billion, one hundred twelve million, twenty thousand, one hundred twenty-three".