1222210202112 has 240 divisors, whose sum is σ = 3652309689600. Its totient is φ = 393055027200.

The previous prime is 1222210202111. The next prime is 1222210202131. The reversal of 1222210202112 is 2112020122221.

It is a happy number.

1222210202112 is a `hidden beast` number, since 1 + 222 + 210 + 20 + 211 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1222210202111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47269764 + ... + 47295612.

It is an arithmetic number, because the mean of its divisors is an integer number (15217957040).

Almost surely, 2^{1222210202112} is an apocalyptic number.

1222210202112 is a gapful number since it is divisible by the number (12) 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 1222210202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1826154844800).

1222210202112 is an abundant number, since it is smaller than the sum of its proper divisors (2430099487488).

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

1222210202112 is a wasteful number, since it uses less digits than its factorization.

1222210202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26235 (or 26216 counting only the distinct ones).

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

Adding to 1222210202112 its reverse (2112020122221), we get a palindrome (3334230324333).

The spelling of 1222210202112 in words is "one trillion, two hundred twenty-two billion, two hundred ten million, two hundred two thousand, one hundred twelve".