12021131301100 has 36 divisors (see below), whose sum is σ = 26086048057944. Its totient is φ = 4808416919680.

The previous prime is 12021131301059. The next prime is 12021131301143. The reversal of 12021131301100 is 110313112021.

It is a happy number.

It is a super-2 number, since 2×12021131301100² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16242312 + ... + 16966288.

It is an arithmetic number, because the mean of its divisors is an integer number (724612446054).

Almost surely, 2^{12021131301100} is an apocalyptic number.

12021131301100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021131301100 is an abundant number, since it is smaller than the sum of its proper divisors (14064916756844).

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

12021131301100 is a wasteful number, since it uses less digits than its factorization.

12021131301100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890034 (or 890027 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12021131301100 its reverse (110313112021), we get a palindrome (12131444413121).

The spelling of 12021131301100 in words is "twelve trillion, twenty-one billion, one hundred thirty-one million, three hundred one thousand, one hundred".