220012001121210 has 32 divisors (see below), whose sum is σ = 540907553979072. Its totient is φ = 57238894600320.

The previous prime is 220012001121197. The next prime is 220012001121217. The reversal of 220012001121210 is 12121100210022.

It is a super-2 number, since 2×220012001121210² (a number of 29 digits) contains 22 as substring.

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 220012001121210.

It is not an unprimeable number, because it can be changed into a prime (220012001121217) 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, 89435771584 + ... + 89435774043.

It is an arithmetic number, because the mean of its divisors is an integer number (16903361061846).

Almost surely, 2^{220012001121210} is an apocalyptic number.

220012001121210 is an abundant number, since it is smaller than the sum of its proper divisors (320895552857862).

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

220012001121210 is a wasteful number, since it uses less digits than its factorization.

220012001121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178871545678.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220012001121210 its reverse (12121100210022), we get a palindrome (232133101331232).

The spelling of 220012001121210 in words is "two hundred twenty trillion, twelve billion, one million, one hundred twenty-one thousand, two hundred ten".