1222085213290 has 8 divisors (see below), whose sum is σ = 2199753383940. Its totient is φ = 488834085312.

The previous prime is 1222085213191. The next prime is 1222085213299. The reversal of 1222085213290 is 923125802221.

It can be written as a sum of positive squares in 2 ways, for example, as 1121677982649 + 100407230641 = 1059093^2 + 316871^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1222085213299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61104260655 + ... + 61104260674.

Almost surely, 2^{1222085213290} is an apocalyptic number.

1222085213290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222085213290 is a deficient number, since it is larger than the sum of its proper divisors (977668170650).

1222085213290 is a wasteful number, since it uses less digits than its factorization.

1222085213290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122208521336.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 1222085213290 in words is "one trillion, two hundred twenty-two billion, eighty-five million, two hundred thirteen thousand, two hundred ninety".