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12272545357 is a prime number
BaseRepresentation
bin10110110111000000…
…00010111001001101
31011200021221220021221
423123200002321031
5200113232422412
65345443123341
7613060625422
oct133340027115
934607856257
1012272545357
115228593a76
122466073551
13120776c077
14845cc5d49
154bc659b07
hex2db802e4d

12272545357 has 2 divisors, whose sum is σ = 12272545358. Its totient is φ = 12272545356.

The previous prime is 12272545343. The next prime is 12272545393. The reversal of 12272545357 is 75354527221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11473408996 + 799136361 = 107114^2 + 28269^2 .

It is a cyclic number.

It is not a de Polignac number, because 12272545357 - 215 = 12272512589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12272542357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6136272678 + 6136272679.

It is an arithmetic number, because the mean of its divisors is an integer number (6136272679).

Almost surely, 212272545357 is an apocalyptic number.

It is an amenable number.

12272545357 is a deficient number, since it is larger than the sum of its proper divisors (1).

12272545357 is an equidigital number, since it uses as much as digits as its factorization.

12272545357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588000, while the sum is 43.

The spelling of 12272545357 in words is "twelve billion, two hundred seventy-two million, five hundred forty-five thousand, three hundred fifty-seven".