12102202011 has 4 divisors (see below), whose sum is σ = 16136269352. Its totient is φ = 8068134672.

The previous prime is 12102202009. The next prime is 12102202039. The reversal of 12102202011 is 11020220121.

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

It is not a de Polignac number, because 12102202011 - 2¹ = 12102202009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102202081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2017033666 + ... + 2017033671.

It is an arithmetic number, because the mean of its divisors is an integer number (4034067338).

Almost surely, 2^12102202011 is an apocalyptic number.

12102202011 is a deficient number, since it is larger than the sum of its proper divisors (4034067341).

12102202011 is an equidigital number, since it uses as much as digits as its factorization.

12102202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034067340.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12102202011 its reverse (11020220121), we get a palindrome (23122422132).

The spelling of 12102202011 in words is "twelve billion, one hundred two million, two hundred two thousand, eleven".