12123011022 has 16 divisors (see below), whose sum is σ = 24247102080. Its totient is φ = 4040823672.

The previous prime is 12123011003. The next prime is 12123011053. The reversal of 12123011022 is 22011032121.

It is a junction number, because it is equal to n+sod(n) for n = 12123010992 and 12123011010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233583 + ... + 280725.

It is an arithmetic number, because the mean of its divisors is an integer number (1515443880).

Almost surely, 2^12123011022 is an apocalyptic number.

12123011022 is an abundant number, since it is smaller than the sum of its proper divisors (12124091058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12123011022 is a wasteful number, since it uses less digits than its factorization.

12123011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90007.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12123011022 its reverse (22011032121), we get a palindrome (34134043143).

The spelling of 12123011022 in words is "twelve billion, one hundred twenty-three million, eleven thousand, twenty-two".