Search a number
-
+
12142304122 = 2131924579563
BaseRepresentation
bin10110100111011110…
…01101101101111010
31011100012212221220111
423103233031231322
5144331412212442
65324511414534
7606616611364
oct132357155572
934305787814
1012142304122
115171017893
12242a52444a
1311b679a850
148328a1d34
154b0eceb17
hex2d3bcdb7a

12142304122 has 16 divisors (see below), whose sum is σ = 20646833760. Its totient is φ = 5309185392.

The previous prime is 12142304107. The next prime is 12142304129. The reversal of 12142304122 is 22140324121.

It is a super-2 number, since 2×121423041222 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12142304093 and 12142304102.

It is not an unprimeable number, because it can be changed into a prime (12142304129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12289288 + ... + 12290275.

It is an arithmetic number, because the mean of its divisors is an integer number (1290427110).

Almost surely, 212142304122 is an apocalyptic number.

12142304122 is a deficient number, since it is larger than the sum of its proper divisors (8504529638).

12142304122 is a wasteful number, since it uses less digits than its factorization.

12142304122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24579597.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12142304122 its reverse (22140324121), we get a palindrome (34282628243).

The spelling of 12142304122 in words is "twelve billion, one hundred forty-two million, three hundred four thousand, one hundred twenty-two".

Divisors: 1 2 13 19 26 38 247 494 24579563 49159126 319534319 467011697 639068638 934023394 6071152061 12142304122