12120342320031 has 32 divisors (see below), whose sum is σ = 18929533718016. Its totient is φ = 6816190080000.

The previous prime is 12120342320029. The next prime is 12120342320041. The reversal of 12120342320031 is 13002324302121.

It is not a de Polignac number, because 12120342320031 - 2¹ = 12120342320029 is a prime.

It is a super-2 number, since 2×12120342320031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12120342319983 and 12120342320010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120342320041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152107270 + ... + 152186931.

It is an arithmetic number, because the mean of its divisors is an integer number (591547928688).

Almost surely, 2^{12120342320031} is an apocalyptic number.

12120342320031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12120342320031 is a deficient number, since it is larger than the sum of its proper divisors (6809191397985).

12120342320031 is a wasteful number, since it uses less digits than its factorization.

12120342320031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304294303.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12120342320031 its reverse (13002324302121), we get a palindrome (25122666622152).

The spelling of 12120342320031 in words is "twelve trillion, one hundred twenty billion, three hundred forty-two million, three hundred twenty thousand, thirty-one".