12122122304000 has 80 divisors (see below), whose sum is σ = 30227269757256. Its totient is φ = 4848848896000.

The previous prime is 12122122303987. The next prime is 12122122304053. The reversal of 12122122304000 is 40322122121.

It can be written as a sum of positive squares in 4 ways, for example, as 7840268802304 + 4281853501696 = 2800048^2 + 2069264^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 94640081 + ... + 94768080.

Almost surely, 2^{12122122304000} is an apocalyptic number.

12122122304000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122122304000 is an abundant number, since it is smaller than the sum of its proper divisors (18105147453256).

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

12122122304000 is an frugal number, since it uses more digits than its factorization.

12122122304000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189408194 (or 189408168 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12122122304000 its reverse (40322122121), we get a palindrome (12162444426121).

The spelling of 12122122304000 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty-two million, three hundred four thousand".