12111222202 has 8 divisors (see below), whose sum is σ = 18167421312. Its totient is φ = 6055415100.

The previous prime is 12111222199. The next prime is 12111222209. The reversal of 12111222202 is 20222211121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12111222209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1924 + ... + 155647.

It is an arithmetic number, because the mean of its divisors is an integer number (2270927664).

Almost surely, 2^12111222202 is an apocalyptic number.

12111222202 is a deficient number, since it is larger than the sum of its proper divisors (6056199110).

12111222202 is a wasteful number, since it uses less digits than its factorization.

12111222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196004.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12111222202 its reverse (20222211121), we get a palindrome (32333433323).

The spelling of 12111222202 in words is "twelve billion, one hundred eleven million, two hundred twenty-two thousand, two hundred two".