12003022311 has 12 divisors (see below), whose sum is σ = 18616932792. Its totient is φ = 6858869808.

The previous prime is 12003022271. The next prime is 12003022313. The reversal of 12003022311 is 11322030021.

It is not a de Polignac number, because 12003022311 - 2⁷ = 12003022183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003022313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40826460 + ... + 40826753.

It is an arithmetic number, because the mean of its divisors is an integer number (1551411066).

Almost surely, 2^12003022311 is an apocalyptic number.

12003022311 is a deficient number, since it is larger than the sum of its proper divisors (6613910481).

12003022311 is an equidigital number, since it uses as much as digits as its factorization.

12003022311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81653230 (or 81653223 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12003022311 its reverse (11322030021), we get a palindrome (23325052332).

The spelling of 12003022311 in words is "twelve billion, three million, twenty-two thousand, three hundred eleven".