Base | Representation |
---|---|
bin | 10110100010101100… |
… | …10010000101111100 |
3 | 1011020102110011121121 |
4 | 23101112102011330 |
5 | 144241131322022 |
6 | 5320520240324 |
7 | 605622056530 |
oct | 132126220574 |
9 | 34212404547 |
10 | 12102214012 |
11 | 5150425569 |
12 | 24190100a4 |
13 | 11ab3a1ca5 |
14 | 82b427bc0 |
15 | 4ac7112c7 |
hex | 2d159217c |
12102214012 has 24 divisors (see below), whose sum is σ = 24207361920. Its totient is φ = 5186034480.
The previous prime is 12102213983. The next prime is 12102214013. The reversal of 12102214012 is 21041220121.
It is a super-2 number, since 2×121022140122 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12102214013) 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, 266187 + ... + 308317.
It is an arithmetic number, because the mean of its divisors is an integer number (1008640080).
Almost surely, 212102214012 is an apocalyptic number.
It is an amenable number.
12102214012 is an abundant number, since it is smaller than the sum of its proper divisors (12105147908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12102214012 is a wasteful number, since it uses less digits than its factorization.
12102214012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52401 (or 52399 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 12102214012 its reverse (21041220121), we get a palindrome (33143434133).
The spelling of 12102214012 in words is "twelve billion, one hundred two million, two hundred fourteen thousand, twelve".
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