220012012021120 has 128 divisors (see below), whose sum is σ = 574510415385600. Its totient is φ = 79902708602880.

The previous prime is 220012012021103. The next prime is 220012012021127. The reversal of 220012012021120 is 21120210210022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 220012012021094 and 220012012021103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220012012021127) 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, 14314480 + ... + 25395439.

It is an arithmetic number, because the mean of its divisors is an integer number (4488362620200).

Almost surely, 2^{220012012021120} is an apocalyptic number.

220012012021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220012012021120 is an abundant number, since it is smaller than the sum of its proper divisors (354498403364480).

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

220012012021120 is a wasteful number, since it uses less digits than its factorization.

220012012021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39710736 (or 39710724 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220012012021120 its reverse (21120210210022), we get a palindrome (241132222231142).

The spelling of 220012012021120 in words is "two hundred twenty trillion, twelve billion, twelve million, twenty-one thousand, one hundred twenty".