222200001012 has 192 divisors, whose sum is σ = 593502142464. Its totient is φ = 64103141760.

The previous prime is 222200000999. The next prime is 222200001019. The reversal of 222200001012 is 210100002222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222200001019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70159453 + ... + 70162619.

It is an arithmetic number, because the mean of its divisors is an integer number (3091156992).

Almost surely, 2^222200001012 is an apocalyptic number.

222200001012 is a gapful number since it is divisible by the number (22) 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 222200001012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296751071232).

222200001012 is an abundant number, since it is smaller than the sum of its proper divisors (371302141452).

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

222200001012 is a wasteful number, since it uses less digits than its factorization.

222200001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538 (or 3536 counting only the distinct ones).

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

Adding to 222200001012 its reverse (210100002222), we get a palindrome (432300003234).

The spelling of 222200001012 in words is "two hundred twenty-two billion, two hundred million, one thousand, twelve".