12123331204 has 6 divisors (see below), whose sum is σ = 21215829614. Its totient is φ = 6061665600.

The previous prime is 12123331183. The next prime is 12123331217. The reversal of 12123331204 is 40213332121.

It can be written as a sum of positive squares in only one way, i.e., 10625486400 + 1497844804 = 103080^2 + 38702^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515416397 + ... + 1515416404.

Almost surely, 2^12123331204 is an apocalyptic number.

It is an amenable number.

12123331204 is a deficient number, since it is larger than the sum of its proper divisors (9092498410).

12123331204 is a wasteful number, since it uses less digits than its factorization.

12123331204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030832805 (or 3030832803 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12123331204 its reverse (40213332121), we get a palindrome (52336663325).

The spelling of 12123331204 in words is "twelve billion, one hundred twenty-three million, three hundred thirty-one thousand, two hundred four".