12112201001210 has 32 divisors (see below), whose sum is σ = 22630729015440. Its totient is φ = 4661850285568.

The previous prime is 12112201001167. The next prime is 12112201001221. The reversal of 12112201001210 is 1210010221121.

It can be written as a sum of positive squares in 8 ways, for example, as 10903197396001 + 1209003605209 = 3301999^2 + 1099547^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71188427 + ... + 71358366.

Almost surely, 2^{12112201001210} is an apocalyptic number.

12112201001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112201001210 is a deficient number, since it is larger than the sum of its proper divisors (10518528014230).

12112201001210 is a wasteful number, since it uses less digits than its factorization.

12112201001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142547122.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12112201001210 its reverse (1210010221121), we get a palindrome (13322211222331).

The spelling of 12112201001210 in words is "twelve trillion, one hundred twelve billion, two hundred one million, one thousand, two hundred ten".