12201012122 has 24 divisors (see below), whose sum is σ = 19911659040. Its totient is φ = 5604515280.

The previous prime is 12201012113. The next prime is 12201012143. The reversal of 12201012122 is 22121010221.

It is a junction number, because it is equal to n+sod(n) for n = 12201012097 and 12201012106.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14222 + ... + 156857.

It is an arithmetic number, because the mean of its divisors is an integer number (829652460).

Almost surely, 2^12201012122 is an apocalyptic number.

12201012122 is a deficient number, since it is larger than the sum of its proper divisors (7710646918).

12201012122 is a wasteful number, since it uses less digits than its factorization.

12201012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171318 (or 171305 counting only the distinct ones).

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

Adding to 12201012122 its reverse (22121010221), we get a palindrome (34322022343).

The spelling of 12201012122 in words is "twelve billion, two hundred one million, twelve thousand, one hundred twenty-two".