12102100022000 has 80 divisors (see below), whose sum is σ = 29615443052832. Its totient is φ = 4782516569600.

The previous prime is 12102100021981. The next prime is 12102100022009. The reversal of 12102100022000 is 22000120121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102100022009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36286109 + ... + 36618108.

Almost surely, 2^{12102100022000} is an apocalyptic number.

12102100022000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102100022000 is an abundant number, since it is smaller than the sum of its proper divisors (17513343030832).

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

12102100022000 is an equidigital number, since it uses as much as digits as its factorization.

12102100022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72904323 (or 72904307 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12102100022000 its reverse (22000120121), we get a palindrome (12124100142121).

The spelling of 12102100022000 in words is "twelve trillion, one hundred two billion, one hundred million, twenty-two thousand".