12010200020 has 96 divisors (see below), whose sum is σ = 31332365568. Its totient is φ = 3765445632.

The previous prime is 12010199917. The next prime is 12010200031. The reversal of 12010200020 is 2000201021.

It is a junction number, because it is equal to n+sod(n) for n = 12010199980 and 12010200007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163904 + ... + 225576.

It is an arithmetic number, because the mean of its divisors is an integer number (326378808).

Almost surely, 2^12010200020 is an apocalyptic number.

12010200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12010200020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15666182784).

12010200020 is an abundant number, since it is smaller than the sum of its proper divisors (19322165548).

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

12010200020 is a wasteful number, since it uses less digits than its factorization.

12010200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61809 (or 61807 counting only the distinct ones).

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

Adding to 12010200020 its reverse (2000201021), we get a palindrome (14010401041).

The spelling of 12010200020 in words is "twelve billion, ten million, two hundred thousand, twenty".