Search a number
-
+
121200412324 = 22167349151973
BaseRepresentation
bin111000011100000011…
…0111000011010100100
3102120211122221212122011
41300320012320122210
53441204301143244
6131402333244004
711520313335535
oct1607006703244
9376748855564
10121200412324
1147445522722
121b5a5933604
13b576ac4414
145c1a94268c
153245573434
hex1c381b86a4

121200412324 has 24 divisors (see below), whose sum is σ = 213436012608. Its totient is φ = 60218916960.

The previous prime is 121200412321. The next prime is 121200412337. The reversal of 121200412324 is 423214002121.

It is a super-2 number, since 2×1212004123242 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121200412295 and 121200412304.

It is not an unprimeable number, because it can be changed into a prime (121200412321) 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, 2306002 + ... + 2357974.

It is an arithmetic number, because the mean of its divisors is an integer number (8893167192).

Almost surely, 2121200412324 is an apocalyptic number.

It is an amenable number.

121200412324 is a deficient number, since it is larger than the sum of its proper divisors (92235600284).

121200412324 is a wasteful number, since it uses less digits than its factorization.

121200412324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55635 (or 55633 counting only the distinct ones).

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

Adding to 121200412324 its reverse (423214002121), we get a palindrome (544414414445).

The spelling of 121200412324 in words is "one hundred twenty-one billion, two hundred million, four hundred twelve thousand, three hundred twenty-four".

Divisors: 1 2 4 167 334 668 3491 6982 13964 51973 103946 207892 582997 1165994 2331988 8679491 17358982 34717964 181437743 362875486 725750972 30300103081 60600206162 121200412324