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1212233983 is a prime number
BaseRepresentation
bin100100001000001…
…0011100011111111
310010111000212101221
41020100103203333
54440312441413
6320142214211
742016550602
oct11020234377
93114025357
101212233983
11572302374
12299b84367
131641b8b1c
14b6dd6339
157165568d
hex484138ff

1212233983 has 2 divisors, whose sum is σ = 1212233984. Its totient is φ = 1212233982.

The previous prime is 1212233963. The next prime is 1212234031. The reversal of 1212233983 is 3893322121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212233983 - 217 = 1212102911 is a prime.

It is a super-2 number, since 2×12122339832 = 2939022459080088578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212233903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606116991 + 606116992.

It is an arithmetic number, because the mean of its divisors is an integer number (606116992).

Almost surely, 21212233983 is an apocalyptic number.

1212233983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212233983 is an equidigital number, since it uses as much as digits as its factorization.

1212233983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 1212233983 is about 34817.1507019170. The cubic root of 1212233983 is about 1066.2576289834.

The spelling of 1212233983 in words is "one billion, two hundred twelve million, two hundred thirty-three thousand, nine hundred eighty-three".