12102100022100 has 72 divisors (see below), whose sum is σ = 38198628443808. Its totient is φ = 2933842428800.

The previous prime is 12102100022099. The next prime is 12102100022189. The reversal of 12102100022100 is 122000120121.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 1833648219 + ... + 1833654818.

It is an arithmetic number, because the mean of its divisors is an integer number (530536506164).

Almost surely, 2^{12102100022100} is an apocalyptic number.

12102100022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102100022100 is an abundant number, since it is smaller than the sum of its proper divisors (26096528421708).

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

12102100022100 is a wasteful number, since it uses less digits than its factorization.

12102100022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667303065 (or 3667303058 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12102100022100 its reverse (122000120121), we get a palindrome (12224100142221).

The spelling of 12102100022100 in words is "twelve trillion, one hundred two billion, one hundred million, twenty-two thousand, one hundred".