12120022322731 has 2 divisors, whose sum is σ = 12120022322732. Its totient is φ = 12120022322730.

The previous prime is 12120022322701. The next prime is 12120022322761. The reversal of 12120022322731 is 13722322002121.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (12120022322701) and next prime (12120022322761).

It is an emirp because it is prime and its reverse (13722322002121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12120022322731 - 2¹⁷ = 12120022191659 is a prime.

It is a super-2 number, since 2×12120022322731² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12120022322731.

It is not a weakly prime, because it can be changed into another prime (12120022322701) 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 as a sum of consecutive naturals, namely, 6060011161365 + 6060011161366.

It is an arithmetic number, because the mean of its divisors is an integer number (6060011161366).

Almost surely, 2^{12120022322731} is an apocalyptic number.

12120022322731 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120022322731 is an equidigital number, since it uses as much as digits as its factorization.

12120022322731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 12120022322731 its reverse (13722322002121), we get a palindrome (25842344324852).

The spelling of 12120022322731 in words is "twelve trillion, one hundred twenty billion, twenty-two million, three hundred twenty-two thousand, seven hundred thirty-one".