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12222423204413 = 49339247723367
BaseRepresentation
bin1011000111011100000100…
…1100011000001000111101
31121021110012200120121002012
42301313001030120020331
53100223010320020123
641554523111141005
72401020020033222
oct261670114301075
947243180517065
1012222423204413
1139925562963a4
121454954974765
136a8753438146
143037d5b25949
15162deec1c378
hexb1dc131823d

12222423204413 has 4 divisors (see below), whose sum is σ = 12222670977120. Its totient is φ = 12222175431708.

The previous prime is 12222423204359. The next prime is 12222423204461. The reversal of 12222423204413 is 31440232422221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12222423204413 - 26 = 12222423204349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12222423204413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222423204473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123812345 + ... + 123911022.

It is an arithmetic number, because the mean of its divisors is an integer number (3055667744280).

Almost surely, 212222423204413 is an apocalyptic number.

It is an amenable number.

12222423204413 is a deficient number, since it is larger than the sum of its proper divisors (247772707).

12222423204413 is an equidigital number, since it uses as much as digits as its factorization.

12222423204413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247772706.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 12222423204413 its reverse (31440232422221), we get a palindrome (43662655626634).

The spelling of 12222423204413 in words is "twelve trillion, two hundred twenty-two billion, four hundred twenty-three million, two hundred four thousand, four hundred thirteen".

Divisors: 1 49339 247723367 12222423204413