12213321000100 has 72 divisors (see below), whose sum is σ = 29059024978368. Its totient is φ = 4418663356800.

The previous prime is 12213321000073. The next prime is 12213321000103. The reversal of 12213321000100 is 100012331221.

It is not an unprimeable number, because it can be changed into a prime (12213321000103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27963552 + ... + 28396951.

It is an arithmetic number, because the mean of its divisors is an integer number (403597569144).

Almost surely, 2^{12213321000100} is an apocalyptic number.

12213321000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12213321000100 is an abundant number, since it is smaller than the sum of its proper divisors (16845703978268).

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

12213321000100 is a wasteful number, since it uses less digits than its factorization.

12213321000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56360725 (or 56360718 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12213321000100 its reverse (100012331221), we get a palindrome (12313333331321).

The spelling of 12213321000100 in words is "twelve trillion, two hundred thirteen billion, three hundred twenty-one million, one hundred", and thus it is an aban number.