12210201122 has 32 divisors (see below), whose sum is σ = 22095504000. Its totient is φ = 5052488784.

The previous prime is 12210201083. The next prime is 12210201137. The reversal of 12210201122 is 22110201221.

It is a super-2 number, since 2×12210201122² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 12210201097 and 12210201106.

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, 286988 + ... + 326775.

It is an arithmetic number, because the mean of its divisors is an integer number (690484500).

Almost surely, 2^12210201122 is an apocalyptic number.

12210201122 is a deficient number, since it is larger than the sum of its proper divisors (9885302878).

12210201122 is an equidigital number, since it uses as much as digits as its factorization.

12210201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613815 (or 613801 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12210201122 its reverse (22110201221), we get a palindrome (34320402343).

Subtracting 12210201122 from its reverse (22110201221), we obtain a palindrome (9900000099).

The spelling of 12210201122 in words is "twelve billion, two hundred ten million, two hundred one thousand, one hundred twenty-two".