Search a number
-
+
12131116122 = 2317118932511
BaseRepresentation
bin10110100110001001…
…00010010001011010
31011022102211112212010
423103010202101122
5144321031203442
65323431530350
7606422533326
oct132304422132
934272745763
1012131116122
115165776104
1224268299b6
1311b4381328
148311cc986
154b001eb9c
hex2d312245a

12131116122 has 16 divisors (see below), whose sum is σ = 25689422592. Its totient is φ = 3805840320.

The previous prime is 12131116117. The next prime is 12131116133. The reversal of 12131116122 is 22161113121.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59466154 + ... + 59466357.

It is an arithmetic number, because the mean of its divisors is an integer number (1605588912).

Almost surely, 212131116122 is an apocalyptic number.

12131116122 is an abundant number, since it is smaller than the sum of its proper divisors (13558306470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12131116122 is a wasteful number, since it uses less digits than its factorization.

12131116122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118932533.

The product of its digits is 144, while the sum is 21.

Adding to 12131116122 its reverse (22161113121), we get a palindrome (34292229243).

The spelling of 12131116122 in words is "twelve billion, one hundred thirty-one million, one hundred sixteen thousand, one hundred twenty-two".

Divisors: 1 2 3 6 17 34 51 102 118932511 237865022 356797533 713595066 2021852687 4043705374 6065558061 12131116122