12020020211000 has 32 divisors (see below), whose sum is σ = 28126847296080. Its totient is φ = 4808008084000.

The previous prime is 12020020210973. The next prime is 12020020211057. The reversal of 12020020211000 is 11202002021.

It is a happy number.

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, 6010009106 + ... + 6010011105.

Almost surely, 2^{12020020211000} is an apocalyptic number.

12020020211000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020020211000 is an abundant number, since it is smaller than the sum of its proper divisors (16106827085080).

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

12020020211000 is a wasteful number, since it uses less digits than its factorization.

12020020211000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12020020232 (or 12020020218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12020020211000 its reverse (11202002021), we get a palindrome (12031222213021).

The spelling of 12020020211000 in words is "twelve trillion, twenty billion, twenty million, two hundred eleven thousand".