12221202202 has 32 divisors (see below), whose sum is σ = 20342145600. Its totient is φ = 5460384000.

The previous prime is 12221202187. The next prime is 12221202221. The reversal of 12221202202 is 20220212221.

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, 289074 + ... + 328642.

It is an arithmetic number, because the mean of its divisors is an integer number (635692050).

Almost surely, 2^12221202202 is an apocalyptic number.

12221202202 is a deficient number, since it is larger than the sum of its proper divisors (8120943398).

12221202202 is a wasteful number, since it uses less digits than its factorization.

12221202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39822.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12221202202 its reverse (20220212221), we get a palindrome (32441414423).

The spelling of 12221202202 in words is "twelve billion, two hundred twenty-one million, two hundred two thousand, two hundred two".