12020050031 has 4 divisors (see below), whose sum is σ = 13112781864. Its totient is φ = 10927318200.

The previous prime is 12020049961. The next prime is 12020050043. The reversal of 12020050031 is 13005002021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12020050031 - 2¹⁴ = 12020033647 is a prime.

It is a super-2 number, since 2×12020050031² (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 = 12020049988 and 12020050015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020059031) 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 3 ways as a sum of consecutive naturals, for example, 546365900 + ... + 546365921.

It is an arithmetic number, because the mean of its divisors is an integer number (3278195466).

Almost surely, 2^12020050031 is an apocalyptic number.

12020050031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12020050031 is a deficient number, since it is larger than the sum of its proper divisors (1092731833).

12020050031 is a wasteful number, since it uses less digits than its factorization.

12020050031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092731832.

The product of its (nonzero) digits is 60, while the sum is 14.

Adding to 12020050031 its reverse (13005002021), we get a palindrome (25025052052).

The spelling of 12020050031 in words is "twelve billion, twenty million, fifty thousand, thirty-one".