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12132133331 = 41295905691
BaseRepresentation
bin10110100110010000…
…11010100111010011
31011022111202020012112
423103020122213103
5144321311231311
65323505415535
7606434301053
oct132310324723
934274666175
1012132133331
11516630037a
12242703a5ab
1311b4649326
148313b5563
154b017128b
hex2d321a9d3

12132133331 has 4 divisors (see below), whose sum is σ = 12428039064. Its totient is φ = 11836227600.

The previous prime is 12132133319. The next prime is 12132133367. The reversal of 12132133331 is 13333123121.

12132133331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12132133331 - 214 = 12132116947 is a prime.

It is a super-2 number, since 2×121321333312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12132133297 and 12132133306.

It is not an unprimeable number, because it can be changed into a prime (12132133031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147952805 + ... + 147952886.

It is an arithmetic number, because the mean of its divisors is an integer number (3107009766).

Almost surely, 212132133331 is an apocalyptic number.

12132133331 is a deficient number, since it is larger than the sum of its proper divisors (295905733).

12132133331 is an equidigital number, since it uses as much as digits as its factorization.

12132133331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295905732.

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

Adding to 12132133331 its reverse (13333123121), we get a palindrome (25465256452).

The spelling of 12132133331 in words is "twelve billion, one hundred thirty-two million, one hundred thirty-three thousand, three hundred thirty-one".

Divisors: 1 41 295905691 12132133331