Search a number
-
+
12122130134 = 26061065067
BaseRepresentation
bin10110100101000100…
…10000011011010110
31011021210221000101202
423102202100123112
5144311231131014
65322511152502
7606253256162
oct132242203326
934253830352
1012122130134
115160698874
122423815732
1311b255618a
1482dd2dca2
154ae3473de
hex2d28906d6

12122130134 has 4 divisors (see below), whose sum is σ = 18183195204. Its totient is φ = 6061065066.

The previous prime is 12122130079. The next prime is 12122130149. The reversal of 12122130134 is 43103122121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43103122121 = 68236317327.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030532532 + ... + 3030532535.

It is an arithmetic number, because the mean of its divisors is an integer number (4545798801).

Almost surely, 212122130134 is an apocalyptic number.

12122130134 is a deficient number, since it is larger than the sum of its proper divisors (6061065070).

12122130134 is an equidigital number, since it uses as much as digits as its factorization.

12122130134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6061065069.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12122130134 its reverse (43103122121), we get a palindrome (55225252255).

The spelling of 12122130134 in words is "twelve billion, one hundred twenty-two million, one hundred thirty thousand, one hundred thirty-four".

Divisors: 1 2 6061065067 12122130134