12212332011 has 40 divisors (see below), whose sum is σ = 20766898944. Its totient is φ = 7079600880.

The previous prime is 12212331991. The next prime is 12212332019. The reversal of 12212332011 is 11023321221.

It is not a de Polignac number, because 12212332011 - 2¹⁹ = 12211807723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12212332019) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 277471 + ... + 318456.

Almost surely, 2^12212332011 is an apocalyptic number.

12212332011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12212332011 is a deficient number, since it is larger than the sum of its proper divisors (8554566933).

12212332011 is a wasteful number, since it uses less digits than its factorization.

12212332011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595973 (or 595964 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12212332011 its reverse (11023321221), we get a palindrome (23235653232).

The spelling of 12212332011 in words is "twelve billion, two hundred twelve million, three hundred thirty-two thousand, eleven".