12020031322 has 16 divisors (see below), whose sum is σ = 20559149352. Its totient is φ = 5221370880.

The previous prime is 12020031293. The next prime is 12020031337. The reversal of 12020031322 is 22313002021.

It can be written as a sum of positive squares in 4 ways, for example, as 7708664401 + 4311366921 = 87799^2 + 65661^2 .

It is a super-2 number, since 2×12020031322² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12020031296 and 12020031305.

It is an unprimeable number.

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, 13596879 + ... + 13597762.

Almost surely, 2^12020031322 is an apocalyptic number.

12020031322 is a deficient number, since it is larger than the sum of its proper divisors (8539118030).

12020031322 is a wasteful number, since it uses less digits than its factorization.

12020031322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27194673.

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

Adding to 12020031322 its reverse (22313002021), we get a palindrome (34333033343).

The spelling of 12020031322 in words is "twelve billion, twenty million, thirty-one thousand, three hundred twenty-two".