12201112100122 has 32 divisors (see below), whose sum is σ = 20356343663040. Its totient is φ = 5438429268480.

The previous prime is 12201112100119. The next prime is 12201112100129. The reversal of 12201112100122 is 22100121110221.

It is a junction number, because it is equal to n+sod(n) for n = 12201112100096 and 12201112100105.

It is not an unprimeable number, because it can be changed into a prime (12201112100129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25994388 + ... + 26459599.

It is an arithmetic number, because the mean of its divisors is an integer number (636135739470).

Almost surely, 2^{12201112100122} is an apocalyptic number.

12201112100122 is a deficient number, since it is larger than the sum of its proper divisors (8155231562918).

12201112100122 is a wasteful number, since it uses less digits than its factorization.

12201112100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52454206.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12201112100122 its reverse (22100121110221), we get a palindrome (34301233210343).

It can be divided in two parts, 1220111 and 2100122, that added together give a palindrome (3320233).

The spelling of 12201112100122 in words is "twelve trillion, two hundred one billion, one hundred twelve million, one hundred thousand, one hundred twenty-two".