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12132450601 = 13039311167
BaseRepresentation
bin10110100110010011…
…01000000100101001
31011022112100100102021
423103021220010221
5144321401404401
65323520304441
7606440062045
oct132311500451
934275310367
1012132450601
1151664a7787
122427172121
1311b472a86b
14831459025
154b01d52a1
hex2d3268129

12132450601 has 4 divisors (see below), whose sum is σ = 12141763072. Its totient is φ = 12123138132.

The previous prime is 12132450587. The next prime is 12132450641. The reversal of 12132450601 is 10605423121.

It is a happy number.

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: 10605423121 = 43246637747.

It is a cyclic number.

It is not a de Polignac number, because 12132450601 - 229 = 11595579689 is a prime.

It is a super-2 number, since 2×121324506012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12132450641) 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, 4654281 + ... + 4656886.

It is an arithmetic number, because the mean of its divisors is an integer number (3035440768).

Almost surely, 212132450601 is an apocalyptic number.

It is an amenable number.

12132450601 is a deficient number, since it is larger than the sum of its proper divisors (9312471).

12132450601 is an equidigital number, since it uses as much as digits as its factorization.

12132450601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9312470.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 12132450601 its reverse (10605423121), we get a palindrome (22737873722).

The spelling of 12132450601 in words is "twelve billion, one hundred thirty-two million, four hundred fifty thousand, six hundred one".

Divisors: 1 1303 9311167 12132450601