212220131322 has 8 divisors (see below), whose sum is σ = 424440262656. Its totient is φ = 70740043772.

The previous prime is 212220131311. The next prime is 212220131339. The reversal of 212220131322 is 223131022212.

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

212220131322 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17685010938 + ... + 17685010949.

It is an arithmetic number, because the mean of its divisors is an integer number (53055032832).

Almost surely, 2^212220131322 is an apocalyptic number.

212220131322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212220131322 is a wasteful number, since it uses less digits than its factorization.

212220131322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35370021892.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212220131322 its reverse (223131022212), we get a palindrome (435351153534).

The spelling of 212220131322 in words is "two hundred twelve billion, two hundred twenty million, one hundred thirty-one thousand, three hundred twenty-two".