12201131222 has 24 divisors (see below), whose sum is σ = 21417241104. Its totient is φ = 5197737552.

The previous prime is 12201131213. The next prime is 12201131273. The reversal of 12201131222 is 22213110221.

It is a self number, because there is not a number n which added to its sum of digits gives 12201131222.

It is a congruent number.

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, 356393 + ... + 389124.

It is an arithmetic number, because the mean of its divisors is an integer number (892385046).

Almost surely, 2^12201131222 is an apocalyptic number.

12201131222 is a deficient number, since it is larger than the sum of its proper divisors (9216109882).

12201131222 is a wasteful number, since it uses less digits than its factorization.

12201131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745700 (or 745693 counting only the distinct ones).

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

Adding to 12201131222 its reverse (22213110221), we get a palindrome (34414241443).

The spelling of 12201131222 in words is "twelve billion, two hundred one million, one hundred thirty-one thousand, two hundred twenty-two".