12123376884 has 18 divisors (see below), whose sum is σ = 30645202770. Its totient is φ = 4041125616.

The previous prime is 12123376861. The next prime is 12123376897. The reversal of 12123376884 is 48867332121.

It can be written as a sum of positive squares in only one way, i.e., 9316496484 + 2806880400 = 96522^2 + 52980^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168380199 + ... + 168380270.

It is an arithmetic number, because the mean of its divisors is an integer number (1702511265).

Almost surely, 2^12123376884 is an apocalyptic number.

It is an amenable number.

12123376884 is an abundant number, since it is smaller than the sum of its proper divisors (18521825886).

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

12123376884 is a wasteful number, since it uses less digits than its factorization.

12123376884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336760479 (or 336760474 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The spelling of 12123376884 in words is "twelve billion, one hundred twenty-three million, three hundred seventy-six thousand, eight hundred eighty-four".