220012110021200 has 240 divisors, whose sum is σ = 608841744967680. Its totient is φ = 74840656320000.

The previous prime is 220012110021191. The next prime is 220012110021211. The reversal of 220012110021200 is 2120011210022.

It is a super-2 number, since 2×220012110021200² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 342569981 + ... + 343211619.

It is an arithmetic number, because the mean of its divisors is an integer number (2536840604032).

Almost surely, 2^{220012110021200} is an apocalyptic number.

220012110021200 is a gapful number since it is divisible by the number (20) 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 220012110021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304420872483840).

220012110021200 is an abundant number, since it is smaller than the sum of its proper divisors (388829634946480).

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

220012110021200 is a wasteful number, since it uses less digits than its factorization.

220012110021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642626 (or 642615 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220012110021200 its reverse (2120011210022), we get a palindrome (222132121231222).

The spelling of 220012110021200 in words is "two hundred twenty trillion, twelve billion, one hundred ten million, twenty-one thousand, two hundred".