12112221000202 has 4 divisors (see below), whose sum is σ = 18168331500306. Its totient is φ = 6056110500100.

The previous prime is 12112221000163. The next prime is 12112221000281. The reversal of 12112221000202 is 20200012221121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12112147023001 + 73977201 = 3480251^2 + 8601^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3028055250049 + ... + 3028055250052.

Almost surely, 2^{12112221000202} is an apocalyptic number.

12112221000202 is a deficient number, since it is larger than the sum of its proper divisors (6056110500104).

12112221000202 is an equidigital number, since it uses as much as digits as its factorization.

12112221000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056110500103.

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

Adding to 12112221000202 its reverse (20200012221121), we get a palindrome (32312233221323).

The spelling of 12112221000202 in words is "twelve trillion, one hundred twelve billion, two hundred twenty-one million, two hundred two", and thus it is an aban number.