12123102204 has 36 divisors (see below), whose sum is σ = 30647910384. Its totient is φ = 4040585472.

The previous prime is 12123102197. The next prime is 12123102217. The reversal of 12123102204 is 40220132121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 533809 + ... + 556055.

It is an arithmetic number, because the mean of its divisors is an integer number (851330844).

Almost surely, 2^12123102204 is an apocalyptic number.

It is an amenable number.

12123102204 is an abundant number, since it is smaller than the sum of its proper divisors (18524808180).

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

12123102204 is a wasteful number, since it uses less digits than its factorization.

12123102204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37394 (or 37389 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12123102204 its reverse (40220132121), we get a palindrome (52343234325).

The spelling of 12123102204 in words is "twelve billion, one hundred twenty-three million, one hundred two thousand, two hundred four".