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12412302401 = 69117962811
BaseRepresentation
bin10111000111101010…
…01011010001000001
31012001000221021220202
423203311023101001
5200410022134101
65411354414545
7616405554362
oct134365132101
935030837822
1012412302401
11529a46a564
1224a4a31455
13122a6c2945
1485a6a5b69
154c9a6436b
hex2e3d4b441

12412302401 has 4 divisors (see below), whose sum is σ = 12430265904. Its totient is φ = 12394338900.

The previous prime is 12412302391. The next prime is 12412302433. The reversal of 12412302401 is 10420321421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10420321421 = 41254154181.

It is a cyclic number.

It is not a de Polignac number, because 12412302401 - 226 = 12345193537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12412302481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8980715 + ... + 8982096.

It is an arithmetic number, because the mean of its divisors is an integer number (3107566476).

Almost surely, 212412302401 is an apocalyptic number.

It is an amenable number.

12412302401 is a deficient number, since it is larger than the sum of its proper divisors (17963503).

12412302401 is an equidigital number, since it uses as much as digits as its factorization.

12412302401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17963502.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12412302401 its reverse (10420321421), we get a palindrome (22832623822).

The spelling of 12412302401 in words is "twelve billion, four hundred twelve million, three hundred two thousand, four hundred one".

Divisors: 1 691 17962811 12412302401