12102001202 has 4 divisors (see below), whose sum is σ = 18153001806. Its totient is φ = 6051000600.

The previous prime is 12102001133. The next prime is 12102001207. The reversal of 12102001202 is 20210020121.

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., 6688131961 + 5413869241 = 81781^2 + 73579^2 .

It is not an unprimeable number, because it can be changed into a prime (12102001207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025500299 + ... + 3025500302.

Almost surely, 2^12102001202 is an apocalyptic number.

12102001202 is a deficient number, since it is larger than the sum of its proper divisors (6051000604).

12102001202 is an equidigital number, since it uses as much as digits as its factorization.

12102001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6051000603.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12102001202 its reverse (20210020121), we get a palindrome (32312021323).

The spelling of 12102001202 in words is "twelve billion, one hundred two million, one thousand, two hundred two".