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12232304021 = 710117301703
BaseRepresentation
bin10110110010001101…
…00010010110010101
31011120111020102120002
423121012202112111
5200022432212041
65341444421045
7612061603640
oct133106422625
934514212502
1012232304021
1152078a9073
1224546a7785
1311cc31c722
1484080ca57
154b8d5b59b
hex2d91a2595

12232304021 has 8 divisors (see below), whose sum is σ = 14118190464. Its totient is φ = 10381021200.

The previous prime is 12232303961. The next prime is 12232304027. The reversal of 12232304021 is 12040323221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12232304021 - 222 = 12228109717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12232303984 and 12232304002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232304027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8650145 + ... + 8651558.

It is an arithmetic number, because the mean of its divisors is an integer number (1764773808).

Almost surely, 212232304021 is an apocalyptic number.

It is an amenable number.

12232304021 is a deficient number, since it is larger than the sum of its proper divisors (1885886443).

12232304021 is a wasteful number, since it uses less digits than its factorization.

12232304021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17301811.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12232304021 its reverse (12040323221), we get a palindrome (24272627242).

The spelling of 12232304021 in words is "twelve billion, two hundred thirty-two million, three hundred four thousand, twenty-one".

Divisors: 1 7 101 707 17301703 121111921 1747472003 12232304021