12001101222100 has 72 divisors (see below), whose sum is σ = 26087662782720. Its totient is φ = 4792101525120.

The previous prime is 12001101222073. The next prime is 12001101222127. The reversal of 12001101222100 is 122210110021.

It is an interprime number because it is at equal distance from previous prime (12001101222073) and next prime (12001101222127).

It is a super-2 number, since 2×12001101222100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 157442197 + ... + 157518403.

It is an arithmetic number, because the mean of its divisors is an integer number (362328649760).

Almost surely, 2^{12001101222100} is an apocalyptic number.

12001101222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001101222100 is an abundant number, since it is smaller than the sum of its proper divisors (14086561560620).

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

12001101222100 is a wasteful number, since it uses less digits than its factorization.

12001101222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78937 (or 78930 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12001101222100 its reverse (122210110021), we get a palindrome (12123311332121).

The spelling of 12001101222100 in words is "twelve trillion, one billion, one hundred one million, two hundred twenty-two thousand, one hundred".