Search a number
-
+
12210301057 is a prime number
BaseRepresentation
bin10110101111100101…
…00110100010000001
31011111221211120011111
423113302212202001
5200001314113212
65335341043321
7611403563233
oct132762464201
934457746144
1012210301057
1151a643a9a9
122449256541
1311c78b7716
1483b922253
154b6e61ea7
hex2d7ca6881

12210301057 has 2 divisors, whose sum is σ = 12210301058. Its totient is φ = 12210301056.

The previous prime is 12210300997. The next prime is 12210301073. The reversal of 12210301057 is 75010301221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6425785921 + 5784515136 = 80161^2 + 76056^2 .

It is an emirp because it is prime and its reverse (75010301221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12210301057 - 27 = 12210300929 is a prime.

It is not a weakly prime, because it can be changed into another prime (12210301097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105150528 + 6105150529.

It is an arithmetic number, because the mean of its divisors is an integer number (6105150529).

Almost surely, 212210301057 is an apocalyptic number.

It is an amenable number.

12210301057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210301057 is an equidigital number, since it uses as much as digits as its factorization.

12210301057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 22.

Adding to 12210301057 its reverse (75010301221), we get a palindrome (87220602278).

The spelling of 12210301057 in words is "twelve billion, two hundred ten million, three hundred one thousand, fifty-seven".