12122302011 has 4 divisors (see below), whose sum is σ = 16163069352. Its totient is φ = 8081534672.

The previous prime is 12122301959. The next prime is 12122302033. The reversal of 12122302011 is 11020322121.

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

It is a cyclic number.

It is not a de Polignac number, because 12122302011 - 2¹¹ = 12122299963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122302091) 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, 2020383666 + ... + 2020383671.

It is an arithmetic number, because the mean of its divisors is an integer number (4040767338).

Almost surely, 2^12122302011 is an apocalyptic number.

12122302011 is a deficient number, since it is larger than the sum of its proper divisors (4040767341).

12122302011 is an equidigital number, since it uses as much as digits as its factorization.

12122302011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040767340.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12122302011 its reverse (11020322121), we get a palindrome (23142624132).

The spelling of 12122302011 in words is "twelve billion, one hundred twenty-two million, three hundred two thousand, eleven".