12120310033 has 16 divisors (see below), whose sum is σ = 13478703616. Its totient is φ = 10823051520.

The previous prime is 12120310031. The next prime is 12120310043. The reversal of 12120310033 is 33001302121.

It is a cyclic number.

It is not a de Polignac number, because 12120310033 - 2¹ = 12120310031 is a prime.

It is a super-2 number, since 2×12120310033² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120309989 and 12120310016.

It is not an unprimeable number, because it can be changed into a prime (12120310031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1812985 + ... + 1819657.

It is an arithmetic number, because the mean of its divisors is an integer number (842418976).

Almost surely, 2^12120310033 is an apocalyptic number.

12120310033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12120310033 is a deficient number, since it is larger than the sum of its proper divisors (1358393583).

12120310033 is a wasteful number, since it uses less digits than its factorization.

12120310033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11224.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12120310033 its reverse (33001302121), we get a palindrome (45121612154).

The spelling of 12120310033 in words is "twelve billion, one hundred twenty million, three hundred ten thousand, thirty-three".