12231022011 has 16 divisors (see below), whose sum is σ = 18595581984. Its totient is φ = 7084030464.

The previous prime is 12231022009. The next prime is 12231022033. The reversal of 12231022011 is 11022013221.

It is not a de Polignac number, because 12231022011 - 2¹ = 12231022009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12231022411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9223336 + ... + 9224661.

It is an arithmetic number, because the mean of its divisors is an integer number (1162223874).

Almost surely, 2^12231022011 is an apocalyptic number.

12231022011 is a deficient number, since it is larger than the sum of its proper divisors (6364559973).

12231022011 is a wasteful number, since it uses less digits than its factorization.

12231022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18448030.

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

Adding to 12231022011 its reverse (11022013221), we get a palindrome (23253035232).

The spelling of 12231022011 in words is "twelve billion, two hundred thirty-one million, twenty-two thousand, eleven".