12100000202 has 4 divisors (see below), whose sum is σ = 18150000306. Its totient is φ = 6050000100.

The previous prime is 12100000201. The next prime is 12100000249. The reversal of 12100000202 is 20200000121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20200000121 = 7 ⋅2885714303.

It can be written as a sum of positive squares in only one way, i.e., 9004301881 + 3095698321 = 94891^2 + 55639^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12100000202.

It is not an unprimeable number, because it can be changed into a prime (12100000201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025000049 + ... + 3025000052.

Almost surely, 2^12100000202 is an apocalyptic number.

12100000202 is a deficient number, since it is larger than the sum of its proper divisors (6050000104).

12100000202 is an equidigital number, since it uses as much as digits as its factorization.

12100000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050000103.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 12100000202 its reverse (20200000121), we get a palindrome (32300000323).

The spelling of 12100000202 in words is "twelve billion, one hundred million, two hundred two", and thus it is an aban number.