12120402133 has 8 divisors (see below), whose sum is σ = 13903384320. Its totient is φ = 10350294000.

The previous prime is 12120402113. The next prime is 12120402143. The reversal of 12120402133 is 33120402121.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12120402133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12120402133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120402113) 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, 3216493 + ... + 3220258.

It is an arithmetic number, because the mean of its divisors is an integer number (1737923040).

Almost surely, 2^12120402133 is an apocalyptic number.

It is an amenable number.

12120402133 is a deficient number, since it is larger than the sum of its proper divisors (1782982187).

12120402133 is an equidigital number, since it uses as much as digits as its factorization.

12120402133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6437027.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12120402133 its reverse (33120402121), we get a palindrome (45240804254).

The spelling of 12120402133 in words is "twelve billion, one hundred twenty million, four hundred two thousand, one hundred thirty-three".