Search a number
-
+
12040921297 is a prime number
BaseRepresentation
bin10110011011011000…
…11110000011010001
31011002011010011211001
423031230132003101
5144124433440142
65310450422001
7604246066546
oct131554360321
934064104731
1012040921297
115119871429
122400591901
13119b791802
14823230bcd
154a71555b7
hex2cdb1e0d1

12040921297 has 2 divisors, whose sum is σ = 12040921298. Its totient is φ = 12040921296.

The previous prime is 12040921267. The next prime is 12040921301. The reversal of 12040921297 is 79212904021.

12040921297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12040453441 + 467856 = 109729^2 + 684^2 .

It is a cyclic number.

It is not a de Polignac number, because 12040921297 - 211 = 12040919249 is a prime.

It is not a weakly prime, because it can be changed into another prime (12040921267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6020460648 + 6020460649.

It is an arithmetic number, because the mean of its divisors is an integer number (6020460649).

Almost surely, 212040921297 is an apocalyptic number.

It is an amenable number.

12040921297 is a deficient number, since it is larger than the sum of its proper divisors (1).

12040921297 is an equidigital number, since it uses as much as digits as its factorization.

12040921297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 12040921297 in words is "twelve billion, forty million, nine hundred twenty-one thousand, two hundred ninety-seven".