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12212244433 = 192922163783
BaseRepresentation
bin10110101111110100…
…00000111111010001
31011112002111021222101
423113322000333101
5200002313310213
65335450440401
7611426236114
oct132772007721
934462437871
1012212244433
1151a7547aa4
122449a33101
1311c811814c
1483bcaa57b
154b71e7bdd
hex2d7e80fd1

12212244433 has 8 divisors (see below), whose sum is σ = 13298270400. Its totient is φ = 11170546128.

The previous prime is 12212244431. The next prime is 12212244449. The reversal of 12212244433 is 33444221221.

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 12212244433 - 21 = 12212244431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212244431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11081341 + ... + 11082442.

It is an arithmetic number, because the mean of its divisors is an integer number (1662283800).

Almost surely, 212212244433 is an apocalyptic number.

It is an amenable number.

12212244433 is a deficient number, since it is larger than the sum of its proper divisors (1086025967).

12212244433 is a wasteful number, since it uses less digits than its factorization.

12212244433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22163831.

The product of its digits is 9216, while the sum is 28.

Adding to 12212244433 its reverse (33444221221), we get a palindrome (45656465654).

The spelling of 12212244433 in words is "twelve billion, two hundred twelve million, two hundred forty-four thousand, four hundred thirty-three".

Divisors: 1 19 29 551 22163783 421111877 642749707 12212244433