1222110101212 has 192 divisors, whose sum is σ = 2999989923840. Its totient is φ = 420158592000.

The previous prime is 1222110101189. The next prime is 1222110101309. The reversal of 1222110101212 is 2121010112221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11675613 + ... + 11779819.

It is an arithmetic number, because the mean of its divisors is an integer number (15624947520).

Almost surely, 2^{1222110101212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222110101212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1499994961920).

1222110101212 is an abundant number, since it is smaller than the sum of its proper divisors (1777879822628).

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

1222110101212 is a wasteful number, since it uses less digits than its factorization.

1222110101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104372 (or 104370 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1222110101212 its reverse (2121010112221), we get a palindrome (3343120213433).

The spelling of 1222110101212 in words is "one trillion, two hundred twenty-two billion, one hundred ten million, one hundred one thousand, two hundred twelve".