1222212211024 has 80 divisors (see below), whose sum is σ = 2807719401600. Its totient is φ = 504285046272.

The previous prime is 1222212210953. The next prime is 1222212211043. The reversal of 1222212211024 is 4201122122221.

It is a junction number, because it is equal to n+sod(n) for n = 1222212210986 and 1222212211004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 584842 + ... + 1669270.

It is an arithmetic number, because the mean of its divisors is an integer number (35096492520).

Almost surely, 2^{1222212211024} is an apocalyptic number.

1222212211024 is a gapful number since it is divisible by the number (14) 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 1222212211024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403859700800).

1222212211024 is an abundant number, since it is smaller than the sum of its proper divisors (1585507190576).

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

1222212211024 is a wasteful number, since it uses less digits than its factorization.

1222212211024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084820 (or 1084814 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1222212211024 its reverse (4201122122221), we get a palindrome (5423334333245).

The spelling of 1222212211024 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, two hundred eleven thousand, twenty-four".