12111202210 has 8 divisors (see below), whose sum is σ = 21800163996. Its totient is φ = 4844480880.

The previous prime is 12111202183. The next prime is 12111202211. The reversal of 12111202210 is 1220211121.

It can be written as a sum of positive squares in 2 ways, for example, as 11690583129 + 420619081 = 108123^2 + 20509^2 .

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 (12111202211) 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, 605560101 + ... + 605560120.

Almost surely, 2^12111202210 is an apocalyptic number.

12111202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111202210 is a deficient number, since it is larger than the sum of its proper divisors (9688961786).

12111202210 is a wasteful number, since it uses less digits than its factorization.

12111202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211120228.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12111202210 its reverse (1220211121), we get a palindrome (13331413331).

The spelling of 12111202210 in words is "twelve billion, one hundred eleven million, two hundred two thousand, two hundred ten".