12010202020 has 12 divisors (see below), whose sum is σ = 25221424284. Its totient is φ = 4804080800.

The previous prime is 12010202003. The next prime is 12010202069. The reversal of 12010202020 is 2020201021.

It can be written as a sum of positive squares in 2 ways, for example, as 7389465444 + 4620736576 = 85962^2 + 67976^2 .

It is a super-2 number, since 2×12010202020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 12010201988 and 12010202006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300255031 + ... + 300255070.

It is an arithmetic number, because the mean of its divisors is an integer number (2101785357).

Almost surely, 2^12010202020 is an apocalyptic number.

12010202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010202020 is an abundant number, since it is smaller than the sum of its proper divisors (13211222264).

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

12010202020 is a wasteful number, since it uses less digits than its factorization.

12010202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600510110 (or 600510108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12010202020 its reverse (2020201021), we get a palindrome (14030403041).

Subtracting from 12010202020 its reverse (2020201021), we obtain a palindrome (9990000999).

The spelling of 12010202020 in words is "twelve billion, ten million, two hundred two thousand, twenty".