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12030331131223 = 26345742703921
BaseRepresentation
bin1010111100010000011110…
…0111010001010101010111
31120121002101110110012210221
42233010013213101111113
53034101104232144343
641330354031255211
72351106551250346
oct257040747212527
946532343405727
1012030331131223
1139190423256a9
12142368567a507
136935bc562602
142d83b1dc1b5d
1515ce0ab575ed
hexaf1079d1557

12030331131223 has 4 divisors (see below), whose sum is σ = 12076073835408. Its totient is φ = 11984588427040.

The previous prime is 12030331131179. The next prime is 12030331131229. The reversal of 12030331131223 is 32213113303021.

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 12030331131223 - 233 = 12021741196631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030331131229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22871351698 + ... + 22871352223.

It is an arithmetic number, because the mean of its divisors is an integer number (3019018458852).

Almost surely, 212030331131223 is an apocalyptic number.

12030331131223 is a deficient number, since it is larger than the sum of its proper divisors (45742704185).

12030331131223 is an equidigital number, since it uses as much as digits as its factorization.

12030331131223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45742704184.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 12030331131223 its reverse (32213113303021), we get a palindrome (44243444434244).

The spelling of 12030331131223 in words is "twelve trillion, thirty billion, three hundred thirty-one million, one hundred thirty-one thousand, two hundred twenty-three".

Divisors: 1 263 45742703921 12030331131223