12020000102100 has 108 divisors (see below), whose sum is σ = 37841996853024. Its totient is φ = 3191212895040.

The previous prime is 12020000102057. The next prime is 12020000102153. The reversal of 12020000102100 is 120100002021.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29213224 + ... + 29621823.

Almost surely, 2^{12020000102100} is an apocalyptic number.

12020000102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020000102100 is an abundant number, since it is smaller than the sum of its proper divisors (25821996750924).

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

12020000102100 is a wasteful number, since it uses less digits than its factorization.

12020000102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58835294 (or 58835284 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12020000102100 its reverse (120100002021), we get a palindrome (12140100104121).

The spelling of 12020000102100 in words is "twelve trillion, twenty billion, one hundred two thousand, one hundred".