12212212232100 has 72 divisors (see below), whose sum is σ = 35345904279840. Its totient is φ = 3255492826880.

The previous prime is 12212212232081. The next prime is 12212212232111. The reversal of 12212212232100 is 123221221221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5964702 + ... + 7746101.

It is an arithmetic number, because the mean of its divisors is an integer number (490915337220).

Almost surely, 2^{12212212232100} is an apocalyptic number.

12212212232100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212212232100 is an abundant number, since it is smaller than the sum of its proper divisors (23133692047740).

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

12212212232100 is a wasteful number, since it uses less digits than its factorization.

12212212232100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13713789 (or 13713782 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12212212232100 its reverse (123221221221), we get a palindrome (12335433453321).

The spelling of 12212212232100 in words is "twelve trillion, two hundred twelve billion, two hundred twelve million, two hundred thirty-two thousand, one hundred".