12120202033 has 6 divisors (see below), whose sum is σ = 12383567666. Its totient is φ = 11862323232.

The previous prime is 12120202019. The next prime is 12120202043. The reversal of 12120202033 is 33020202121.

It can be written as a sum of positive squares in only one way, i.e., 10847639104 + 1272562929 = 104152^2 + 35673^2 .

It is not a de Polignac number, because 12120202033 - 2⁹ = 12120201521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120201998 and 12120202016.

It is not an unprimeable number, because it can be changed into a prime (12120202043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2741160 + ... + 2745577.

Almost surely, 2^12120202033 is an apocalyptic number.

It is an amenable number.

12120202033 is a deficient number, since it is larger than the sum of its proper divisors (263365633).

12120202033 is an frugal number, since it uses more digits than its factorization.

12120202033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486831 (or 5486784 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12120202033 its reverse (33020202121), we get a palindrome (45140404154).

The spelling of 12120202033 in words is "twelve billion, one hundred twenty million, two hundred two thousand, thirty-three".