12102102102020 has 48 divisors (see below), whose sum is σ = 29045300796288. Its totient is φ = 4149255613440.

The previous prime is 12102102102019. The next prime is 12102102102053. The reversal of 12102102102020 is 2020120120121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 12102102101986 and 12102102102004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19138100 + ... + 19760340.

It is an arithmetic number, because the mean of its divisors is an integer number (605110433256).

Almost surely, 2^{12102102102020} is an apocalyptic number.

12102102102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102102102020 is an abundant number, since it is smaller than the sum of its proper divisors (16943198694268).

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

12102102102020 is a wasteful number, since it uses less digits than its factorization.

12102102102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761180 (or 761178 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12102102102020 its reverse (2020120120121), we get a palindrome (14122222222141).

The spelling of 12102102102020 in words is "twelve trillion, one hundred two billion, one hundred two million, one hundred two thousand, twenty".