12101010102020 has 24 divisors (see below), whose sum is σ = 29042424245184. Its totient is φ = 4148917749216.

The previous prime is 12101010102017. The next prime is 12101010102029. The reversal of 12101010102020 is 2020101010121.

It is a super-3 number, since 3×12101010102020³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12101010101992 and 12101010102010.

It is not an unprimeable number, because it can be changed into a prime (12101010102029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43217893082 + ... + 43217893361.

It is an arithmetic number, because the mean of its divisors is an integer number (1210101010216).

Almost surely, 2^{12101010102020} is an apocalyptic number.

12101010102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101010102020 is an abundant number, since it is smaller than the sum of its proper divisors (16941414143164).

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

12101010102020 is a wasteful number, since it uses less digits than its factorization.

12101010102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86435786459 (or 86435786457 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12101010102020 its reverse (2020101010121), we get a palindrome (14121111112141).

The spelling of 12101010102020 in words is "twelve trillion, one hundred one billion, ten million, one hundred two thousand, twenty".