12012300120020 has 24 divisors (see below), whose sum is σ = 25227216214368. Its totient is φ = 4804656055200.

The previous prime is 12012300120017. The next prime is 12012300120053. The reversal of 12012300120020 is 2002100321021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12012300119977 and 12012300120004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16126226 + ... + 16854665.

It is an arithmetic number, because the mean of its divisors is an integer number (1051134008932).

Almost surely, 2^{12012300120020} is an apocalyptic number.

12012300120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012300120020 is an abundant number, since it is smaller than the sum of its proper divisors (13214916094348).

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

12012300120020 is a wasteful number, since it uses less digits than its factorization.

12012300120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32999111 (or 32999109 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12012300120020 its reverse (2002100321021), we get a palindrome (14014400441041).

The spelling of 12012300120020 in words is "twelve trillion, twelve billion, three hundred million, one hundred twenty thousand, twenty".