12122200206 has 32 divisors (see below), whose sum is σ = 26948606880. Its totient is φ = 4039175808.

The previous prime is 12122200199. The next prime is 12122200271. The reversal of 12122200206 is 60200222121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 102630 + ... + 186486.

It is an arithmetic number, because the mean of its divisors is an integer number (842143965).

Almost surely, 2^12122200206 is an apocalyptic number.

12122200206 is an abundant number, since it is smaller than the sum of its proper divisors (14826406674).

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

12122200206 is a wasteful number, since it uses less digits than its factorization.

12122200206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86545 (or 86539 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12122200206 its reverse (60200222121), we get a palindrome (72322422327).

The spelling of 12122200206 in words is "twelve billion, one hundred twenty-two million, two hundred thousand, two hundred six".