Base | Representation |
---|---|
bin | 110111111100001101… |
… | …1101101100110001100 |
3 | 102111002012210120110001 |
4 | 1233320123231212030 |
5 | 3432012311144322 |
6 | 131104332254044 |
7 | 11451662160412 |
oct | 1577033554614 |
9 | 374065716401 |
10 | 120132131212 |
11 | 46a47502275 |
12 | 1b348011324 |
13 | b43669ac12 |
14 | 5b58add2b2 |
15 | 31d18a5827 |
hex | 1bf86ed98c |
120132131212 has 24 divisors (see below), whose sum is σ = 221554373040. Its totient is φ = 56838263040.
The previous prime is 120132131183. The next prime is 120132131219. The reversal of 120132131212 is 212131231021.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a self number, because there is not a number n which added to its sum of digits gives 120132131212.
It is not an unprimeable number, because it can be changed into a prime (120132131219) 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, 857089 + ... + 987352.
It is an arithmetic number, because the mean of its divisors is an integer number (9231432210).
Almost surely, 2120132131212 is an apocalyptic number.
It is an amenable number.
120132131212 is a deficient number, since it is larger than the sum of its proper divisors (101422241828).
120132131212 is a wasteful number, since it uses less digits than its factorization.
120132131212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1845321 (or 1845319 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 120132131212 its reverse (212131231021), we get a palindrome (332263362233).
The spelling of 120132131212 in words is "one hundred twenty billion, one hundred thirty-two million, one hundred thirty-one thousand, two hundred twelve".
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