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22131230012207 is a prime number
BaseRepresentation
bin1010000100000110101000…
…00110100111001100101111
32220100201120110201200210022
411002003110012213030233
510400044224340342312
6115022540253432355
74442633340151511
oct502032406471457
986321513650708
1022131230012207
117062890422368
12259522019b6bb
13c46c734c17b4
1456722b6b9bb1
15285a3db90172
hex1420d41a732f

22131230012207 has 2 divisors, whose sum is σ = 22131230012208. Its totient is φ = 22131230012206.

The previous prime is 22131230012173. The next prime is 22131230012237. The reversal of 22131230012207 is 70221003213122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22131230012207 - 210 = 22131230011183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22131230012237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065615006103 + 11065615006104.

It is an arithmetic number, because the mean of its divisors is an integer number (11065615006104).

Almost surely, 222131230012207 is an apocalyptic number.

22131230012207 is a deficient number, since it is larger than the sum of its proper divisors (1).

22131230012207 is an equidigital number, since it uses as much as digits as its factorization.

22131230012207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 22131230012207 its reverse (70221003213122), we get a palindrome (92352233225329).

The spelling of 22131230012207 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred thirty million, twelve thousand, two hundred seven".