Search a number
-
+
12212032113 = 321737843309
BaseRepresentation
bin10110101111110010…
…01101001001110001
31011112002002111201200
423113321031021301
5200002240011423
65335442121413
7611424363111
oct132771151161
934462074650
1012212032113
1151a7412526
122449950269
1311c8072608
1483bc53041
154b71a4d43
hex2d7e4d271

12212032113 has 12 divisors (see below), whose sum is σ = 17741567220. Its totient is φ = 8094293856.

The previous prime is 12212032099. The next prime is 12212032123. The reversal of 12212032113 is 31123021221.

It can be written as a sum of positive squares in 2 ways, for example, as 11280988944 + 931043169 = 106212^2 + 30513^2 .

It is not a de Polignac number, because 12212032113 - 28 = 12212031857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12212032123) 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 11 ways as a sum of consecutive naturals, for example, 3920098 + ... + 3923211.

It is an arithmetic number, because the mean of its divisors is an integer number (1478463935).

Almost surely, 212212032113 is an apocalyptic number.

It is an amenable number.

12212032113 is a deficient number, since it is larger than the sum of its proper divisors (5529535107).

12212032113 is a wasteful number, since it uses less digits than its factorization.

12212032113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7843488 (or 7843485 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12212032113 its reverse (31123021221), we get a palindrome (43335053334).

The spelling of 12212032113 in words is "twelve billion, two hundred twelve million, thirty-two thousand, one hundred thirteen".

Divisors: 1 3 9 173 519 1557 7843309 23529927 70589781 1356892457 4070677371 12212032113