Search a number
-
+
12331212010 = 2513113839429
BaseRepresentation
bin10110111101111111…
…10101110011101010
31011211101100110210221
423132333311303222
5200223242241020
65355340400254
7614402400265
oct133677656352
934741313727
1012331212010
115258714107
12248184608a
131216970170
1484d9d7cdc
154c28976aa
hex2deff5cea

12331212010 has 32 divisors (see below), whose sum is σ = 24115145040. Its totient is φ = 4512764928.

The previous prime is 12331212007. The next prime is 12331212073. The reversal of 12331212010 is 1021213321.

It can be written as a sum of positive squares in 8 ways, for example, as 753667209 + 11577544801 = 27453^2 + 107599^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405025 + ... + 434404.

Almost surely, 212331212010 is an apocalyptic number.

12331212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12331212010 is a deficient number, since it is larger than the sum of its proper divisors (11783933030).

12331212010 is a wasteful number, since it uses less digits than its factorization.

12331212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839562.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12331212010 its reverse (1021213321), we get a palindrome (13352425331).

The spelling of 12331212010 in words is "twelve billion, three hundred thirty-one million, two hundred twelve thousand, ten".

Divisors: 1 2 5 10 13 26 65 113 130 226 565 1130 1469 2938 7345 14690 839429 1678858 4197145 8394290 10912577 21825154 54562885 94855477 109125770 189710954 474277385 948554770 1233121201 2466242402 6165606005 12331212010