Search a number
-
+
121024212 = 22310085351
BaseRepresentation
bin1110011011010…
…10111011010100
322102201200000020
413031222323110
5221440233322
620001545140
72666455161
oct715527324
9272650006
10121024212
1162351311
12346451b0
131c0c517a
1412105068
15a95905c
hex736aed4

121024212 has 12 divisors (see below), whose sum is σ = 282389856. Its totient is φ = 40341400.

The previous prime is 121024193. The next prime is 121024213. The reversal of 121024212 is 212420121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 121024191 and 121024200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121024213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5042664 + ... + 5042687.

It is an arithmetic number, because the mean of its divisors is an integer number (23532488).

Almost surely, 2121024212 is an apocalyptic number.

121024212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121024212 is an abundant number, since it is smaller than the sum of its proper divisors (161365644).

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

121024212 is a wasteful number, since it uses less digits than its factorization.

121024212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10085358 (or 10085356 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 121024212 is about 11001.1004904055. The cubic root of 121024212 is about 494.6417323917.

Adding to 121024212 its reverse (212420121), we get a palindrome (333444333).

The spelling of 121024212 in words is "one hundred twenty-one million, twenty-four thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 10085351 20170702 30256053 40341404 60512106 121024212