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12120144031 is a prime number
BaseRepresentation
bin10110100100110101…
…01011100010011111
31011021200012002222101
423102122223202133
5144310224102111
65322400425531
7606230344612
oct132232534237
934250162871
1012120144031
11515a561666
1224230182a7
1311b200c178
1482d974179
154ae0a3bc1
hex2d26ab89f

12120144031 has 2 divisors, whose sum is σ = 12120144032. Its totient is φ = 12120144030.

The previous prime is 12120144017. The next prime is 12120144037. The reversal of 12120144031 is 13044102121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12120144031 is a prime.

It is a super-2 number, since 2×121201440312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12120144037) 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, 6060072015 + 6060072016.

It is an arithmetic number, because the mean of its divisors is an integer number (6060072016).

Almost surely, 212120144031 is an apocalyptic number.

12120144031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120144031 is an equidigital number, since it uses as much as digits as its factorization.

12120144031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12120144031 its reverse (13044102121), we get a palindrome (25164246152).

The spelling of 12120144031 in words is "twelve billion, one hundred twenty million, one hundred forty-four thousand, thirty-one".