222010021200 has 240 divisors, whose sum is σ = 776407306752. Its totient is φ = 53780160000.

The previous prime is 222010021199. The next prime is 222010021241. The reversal of 222010021200 is 2120010222.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 19939635 + ... + 19950765.

Almost surely, 2^222010021200 is an apocalyptic number.

222010021200 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 222010021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388203653376).

222010021200 is an abundant number, since it is smaller than the sum of its proper divisors (554397285552).

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

222010021200 is a wasteful number, since it uses less digits than its factorization.

222010021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12674 (or 12663 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 222010021200 its reverse (2120010222), we get a palindrome (224130031422).

The spelling of 222010021200 in words is "two hundred twenty-two billion, ten million, twenty-one thousand, two hundred".