12020033431 has 8 divisors (see below), whose sum is σ = 13742368640. Its totient is φ = 10298995128.

The previous prime is 12020033429. The next prime is 12020033483. The reversal of 12020033431 is 13433002021.

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 12020033431 - 2¹ = 12020033429 is a prime.

It is a super-2 number, since 2×12020033431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12020033399 and 12020033408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020033131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304281 + ... + 341506.

It is an arithmetic number, because the mean of its divisors is an integer number (1717796080).

Almost surely, 2^12020033431 is an apocalyptic number.

12020033431 is a deficient number, since it is larger than the sum of its proper divisors (1722335209).

12020033431 is an equidigital number, since it uses as much as digits as its factorization.

12020033431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648453.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12020033431 its reverse (13433002021), we get a palindrome (25453035452).

The spelling of 12020033431 in words is "twelve billion, twenty million, thirty-three thousand, four hundred thirty-one".