12123011033 has 4 divisors (see below), whose sum is σ = 13854869760. Its totient is φ = 10391152308.

The previous prime is 12123011003. The next prime is 12123011053. The reversal of 12123011033 is 33011032121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12123011033 - 2²² = 12118816729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12123011003) 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, 865929353 + ... + 865929366.

It is an arithmetic number, because the mean of its divisors is an integer number (3463717440).

Almost surely, 2^12123011033 is an apocalyptic number.

It is an amenable number.

12123011033 is a deficient number, since it is larger than the sum of its proper divisors (1731858727).

12123011033 is an equidigital number, since it uses as much as digits as its factorization.

12123011033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731858726.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12123011033 its reverse (33011032121), we get a palindrome (45134043154).

The spelling of 12123011033 in words is "twelve billion, one hundred twenty-three million, eleven thousand, thirty-three".