12001121212304 has 40 divisors (see below), whose sum is σ = 26574081941568. Its totient is φ = 5143304626560.

The previous prime is 12001121212291. The next prime is 12001121212309. The reversal of 12001121212304 is 40321212110021.

It is not an unprimeable number, because it can be changed into a prime (12001121212309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26427614 + ... + 26877890.

Almost surely, 2^{12001121212304} is an apocalyptic number.

12001121212304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12001121212304 is an abundant number, since it is smaller than the sum of its proper divisors (14572960729264).

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

12001121212304 is a wasteful number, since it uses less digits than its factorization.

12001121212304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688263 (or 688257 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12001121212304 its reverse (40321212110021), we get a palindrome (52322333322325).

The spelling of 12001121212304 in words is "twelve trillion, one billion, one hundred twenty-one million, two hundred twelve thousand, three hundred four".