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12032131222 = 26016065611
BaseRepresentation
bin10110011010010101…
…11100000010010110
31011001112120121002201
423031022330002112
5144120211144342
65305534155114
7604111266526
oct131512740226
934045517081
1012032131222
115114908301
1223b9652a9a
131199a04897
14821dc3686
154a64badb7
hex2cd2bc096

12032131222 has 4 divisors (see below), whose sum is σ = 18048196836. Its totient is φ = 6016065610.

The previous prime is 12032131207. The next prime is 12032131253. The reversal of 12032131222 is 22213123021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22213123021 = 31333708937.

It is a self number, because there is not a number n which added to its sum of digits gives 12032131222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3008032804 + ... + 3008032807.

It is an arithmetic number, because the mean of its divisors is an integer number (4512049209).

Almost surely, 212032131222 is an apocalyptic number.

12032131222 is a deficient number, since it is larger than the sum of its proper divisors (6016065614).

12032131222 is an equidigital number, since it uses as much as digits as its factorization.

12032131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6016065613.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12032131222 its reverse (22213123021), we get a palindrome (34245254243).

The spelling of 12032131222 in words is "twelve billion, thirty-two million, one hundred thirty-one thousand, two hundred twenty-two".

Divisors: 1 2 6016065611 12032131222