12121302202 has 16 divisors (see below), whose sum is σ = 18814113000. Its totient is φ = 5850046720.

The previous prime is 12121302199. The next prime is 12121302203. The reversal of 12121302202 is 20220312121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12082626241 + 38675961 = 109921^2 + 6219^2 .

It is not an unprimeable number, because it can be changed into a prime (12121302203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198174 + ... + 252022.

Almost surely, 2^12121302202 is an apocalyptic number.

12121302202 is a deficient number, since it is larger than the sum of its proper divisors (6692810798).

12121302202 is a wasteful number, since it uses less digits than its factorization.

12121302202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57761.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12121302202 its reverse (20220312121), we get a palindrome (32341614323).

The spelling of 12121302202 in words is "twelve billion, one hundred twenty-one million, three hundred two thousand, two hundred two".