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12023221404 = 2237912682723
BaseRepresentation
bin10110011001010001…
…11100110010011100
31011000220210221010110
423030220330302130
5144110421041104
65305015210020
7603642460425
oct131450746234
934026727113
1012023221404
11510a882217
1223b6676910
131197c052bc
14820b4464c
154a580ae89
hex2cca3cc9c

12023221404 has 24 divisors (see below), whose sum is σ = 28409301760. Its totient is φ = 3957009264.

The previous prime is 12023221369. The next prime is 12023221417. The reversal of 12023221404 is 40412232021.

12023221404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6340414 + ... + 6342309.

Almost surely, 212023221404 is an apocalyptic number.

It is an amenable number.

12023221404 is an abundant number, since it is smaller than the sum of its proper divisors (16386080356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12023221404 is a wasteful number, since it uses less digits than its factorization.

12023221404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12682809 (or 12682807 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12023221404 its reverse (40412232021), we get a palindrome (52435453425).

The spelling of 12023221404 in words is "twelve billion, twenty-three million, two hundred twenty-one thousand, four hundred four".

Divisors: 1 2 3 4 6 12 79 158 237 316 474 948 12682723 25365446 38048169 50730892 76096338 152192676 1001935117 2003870234 3005805351 4007740468 6011610702 12023221404