222220011212010 has 256 divisors, whose sum is σ = 713226124800000. Its totient is φ = 48096880545024.

The previous prime is 222220011212009. The next prime is 222220011212033. The reversal of 222220011212010 is 10212110022222.

It is a happy number.

222220011212010 is a `hidden beast` number, since 2 + 222 + 200 + 112 + 120 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 73900996 + ... + 76849184.

It is an arithmetic number, because the mean of its divisors is an integer number (2786039550000).

Almost surely, 2^{222220011212010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222220011212010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356613062400000).

222220011212010 is an abundant number, since it is smaller than the sum of its proper divisors (491006113587990).

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

222220011212010 is a wasteful number, since it uses less digits than its factorization.

222220011212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950330 (or 2950324 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222220011212010 its reverse (10212110022222), we get a palindrome (232432121234232).

The spelling of 222220011212010 in words is "two hundred twenty-two trillion, two hundred twenty billion, eleven million, two hundred twelve thousand, ten".