Search a number
-
+
12100112110122 = 238231941326029
BaseRepresentation
bin1011000000010100011011…
…1000100101001000101010
31120211202111121200020012220
42300011012320211020222
53041222012200010442
641422414220014510
72356130025631461
oct260050670451052
946752447606186
1012100112110122
1139456a09229a3
1214350bb091436
1369a0604c2c7a
142db9118a39d8
1515eb41e02eec
hexb0146e2522a

12100112110122 has 32 divisors (see below), whose sum is σ = 24206665553280. Its totient is φ = 4032297322560.

The previous prime is 12100112110111. The next prime is 12100112110127. The reversal of 12100112110122 is 22101121100121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12100112110127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464857404 + ... + 464883432.

It is an arithmetic number, because the mean of its divisors is an integer number (756458298540).

Almost surely, 212100112110122 is an apocalyptic number.

12100112110122 is an abundant number, since it is smaller than the sum of its proper divisors (12106553443158).

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

12100112110122 is a wasteful number, since it uses less digits than its factorization.

12100112110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43678.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12100112110122 its reverse (22101121100121), we get a palindrome (34201233210243).

The spelling of 12100112110122 in words is "twelve trillion, one hundred billion, one hundred twelve million, one hundred ten thousand, one hundred twenty-two".

Divisors: 1 2 3 6 8231 9413 16462 18826 24693 26029 28239 49386 52058 56478 78087 156174 77478403 154956806 214244699 232435209 245010977 428489398 464870418 490021954 642734097 735032931 1285468194 1470065862 2016685351687 4033370703374 6050056055061 12100112110122