12211320122 has 8 divisors (see below), whose sum is σ = 18322289076. Its totient is φ = 6103890432.

The previous prime is 12211320101. The next prime is 12211320139. The reversal of 12211320122 is 22102311221.

It can be written as a sum of positive squares in 2 ways, for example, as 12144260401 + 67059721 = 110201^2 + 8189^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12211320122.

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, 876173 + ... + 890000.

Almost surely, 2^12211320122 is an apocalyptic number.

12211320122 is a deficient number, since it is larger than the sum of its proper divisors (6110968954).

12211320122 is a wasteful number, since it uses less digits than its factorization.

12211320122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769632.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12211320122 its reverse (22102311221), we get a palindrome (34313631343).

The spelling of 12211320122 in words is "twelve billion, two hundred eleven million, three hundred twenty thousand, one hundred twenty-two".