12010021202220 has 96 divisors (see below), whose sum is σ = 33682901753088. Its totient is φ = 3197450710272.

The previous prime is 12010021202213. The next prime is 12010021202227. The reversal of 12010021202220 is 2220212001021.

It is an interprime number because it is at equal distance from previous prime (12010021202213) and next prime (12010021202227).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12010021202220.

It is not an unprimeable number, because it can be changed into a prime (12010021202227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320188707 + ... + 320226213.

It is an arithmetic number, because the mean of its divisors is an integer number (350863559928).

Almost surely, 2^{12010021202220} is an apocalyptic number.

12010021202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010021202220 is an abundant number, since it is smaller than the sum of its proper divisors (21672880550868).

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

12010021202220 is a wasteful number, since it uses less digits than its factorization.

12010021202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46079 (or 46077 counting only the distinct ones).

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

Adding to 12010021202220 its reverse (2220212001021), we get a palindrome (14230233203241).

The spelling of 12010021202220 in words is "twelve trillion, ten billion, twenty-one million, two hundred two thousand, two hundred twenty".