12011202020020 has 48 divisors (see below), whose sum is σ = 28834223120640. Its totient is φ = 4117078082304.

The previous prime is 12011202019997. The next prime is 12011202020023. The reversal of 12011202020020 is 2002020211021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011202020023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10368024 + ... + 11468143.

It is an arithmetic number, because the mean of its divisors is an integer number (600712981680).

Almost surely, 2^{12011202020020} is an apocalyptic number.

12011202020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011202020020 is an abundant number, since it is smaller than the sum of its proper divisors (16823021100620).

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

12011202020020 is a wasteful number, since it uses less digits than its factorization.

12011202020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21840112 (or 21840110 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12011202020020 its reverse (2002020211021), we get a palindrome (14013222231041).

The spelling of 12011202020020 in words is "twelve trillion, eleven billion, two hundred two million, twenty thousand, twenty".