12115312033 has 8 divisors (see below), whose sum is σ = 13244302080. Its totient is φ = 10990921680.

The previous prime is 12115312009. The next prime is 12115312037. The reversal of 12115312033 is 33021351121.

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

It is a cyclic number.

It is not a de Polignac number, because 12115312033 - 2⁹ = 12115311521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12115311995 and 12115312013.

It is not an unprimeable number, because it can be changed into a prime (12115312037) 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, 1144410 + ... + 1154947.

It is an arithmetic number, because the mean of its divisors is an integer number (1655537760).

Almost surely, 2^12115312033 is an apocalyptic number.

It is an amenable number.

12115312033 is a deficient number, since it is larger than the sum of its proper divisors (1128990047).

12115312033 is a wasteful number, since it uses less digits than its factorization.

12115312033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299847.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 12115312033 its reverse (33021351121), we get a palindrome (45136663154).

The spelling of 12115312033 in words is "twelve billion, one hundred fifteen million, three hundred twelve thousand, thirty-three".