12000022002100 has 72 divisors (see below), whose sum is σ = 28564271832096. Its totient is φ = 4339535760000.

The previous prime is 12000022002071. The next prime is 12000022002107. The reversal of 12000022002100 is 120022000021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000022002107) 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, 29936566 + ... + 30334765.

It is an arithmetic number, because the mean of its divisors is an integer number (396725997668).

Almost surely, 2^{12000022002100} is an apocalyptic number.

12000022002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000022002100 is an abundant number, since it is smaller than the sum of its proper divisors (16564249829996).

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

12000022002100 is a wasteful number, since it uses less digits than its factorization.

12000022002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60271537 (or 60271530 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12000022002100 its reverse (120022000021), we get a palindrome (12120044002121).

The spelling of 12000022002100 in words is "twelve trillion, twenty-two million, two thousand, one hundred".