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12303331312001 = 28343474668947
BaseRepresentation
bin1011001100001001011110…
…1100010100000110000001
31121120012001022110022111112
42303002113230110012001
53103034210303441001
642100023344453105
72406613006431632
oct263022754240601
947505038408445
1012303331312001
113a138a4862114
12146857491a195
136b3278744a12
143076ad32b889
15165087cb9cbb
hexb3097b14181

12303331312001 has 4 divisors (see below), whose sum is σ = 12346805981232. Its totient is φ = 12259856642772.

The previous prime is 12303331311983. The next prime is 12303331312057. The reversal of 12303331312001 is 10021313330321.

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.

It is a cyclic number.

It is not a de Polignac number, because 12303331312001 - 26 = 12303331311937 is a prime.

It is a super-2 number, since 2×123033313120012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12303331312061) 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, 21737334191 + ... + 21737334756.

It is an arithmetic number, because the mean of its divisors is an integer number (3086701495308).

Almost surely, 212303331312001 is an apocalyptic number.

It is an amenable number.

12303331312001 is a deficient number, since it is larger than the sum of its proper divisors (43474669231).

12303331312001 is an equidigital number, since it uses as much as digits as its factorization.

12303331312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43474669230.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 12303331312001 its reverse (10021313330321), we get a palindrome (22324644642322).

The spelling of 12303331312001 in words is "twelve trillion, three hundred three billion, three hundred thirty-one million, three hundred twelve thousand, one".

Divisors: 1 283 43474668947 12303331312001