12020020221012 has 24 divisors (see below), whose sum is σ = 28251434391936. Its totient is φ = 3977427615168.

The previous prime is 12020020220993. The next prime is 12020020221037. The reversal of 12020020221012 is 21012202002021.

It is a super-2 number, since 2×12020020221012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12020020220982 and 12020020221000.

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, 3655722268 + ... + 3655725555.

It is an arithmetic number, because the mean of its divisors is an integer number (1177143099664).

Almost surely, 2^{12020020221012} is an apocalyptic number.

12020020221012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12020020221012 is an abundant number, since it is smaller than the sum of its proper divisors (16231414170924).

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

12020020221012 is a wasteful number, since it uses less digits than its factorization.

12020020221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7311447967 (or 7311447965 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12020020221012 its reverse (21012202002021), we get a palindrome (33032222223033).

The spelling of 12020020221012 in words is "twelve trillion, twenty billion, twenty million, two hundred twenty-one thousand, twelve".