12033031011 has 8 divisors (see below), whose sum is σ = 16047354624. Its totient is φ = 8020364040.

The previous prime is 12033030979. The next prime is 12033031019. The reversal of 12033031011 is 11013033021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12033031011 - 2⁵ = 12033030979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12033031019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397111 + ... + 426336.

It is an arithmetic number, because the mean of its divisors is an integer number (2005919328).

Almost surely, 2^12033031011 is an apocalyptic number.

12033031011 is a deficient number, since it is larger than the sum of its proper divisors (4014323613).

12033031011 is an equidigital number, since it uses as much as digits as its factorization.

12033031011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828321.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 12033031011 its reverse (11013033021), we get a palindrome (23046064032).

The spelling of 12033031011 in words is "twelve billion, thirty-three million, thirty-one thousand, eleven".