Base | Representation |
---|---|
bin | 111000110011111100… |
… | …1000111101011101100 |
3 | 102122220112111101202120 |
4 | 1301213321013223230 |
5 | 3444330020024322 |
6 | 132014052352540 |
7 | 11546216556222 |
oct | 1614771075354 |
9 | 378815441676 |
10 | 122002111212 |
11 | 47817013993 |
12 | 1b78a315750 |
13 | b673c20667 |
14 | 5c951d0b12 |
15 | 3290b33a5c |
hex | 1c67e47aec |
122002111212 has 24 divisors (see below), whose sum is σ = 299654308800. Its totient is φ = 38526982416.
The previous prime is 122002111207. The next prime is 122002111223. The reversal of 122002111212 is 212111200221.
It is a super-2 number, since 2×1220021112122 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122002111191 and 122002111200.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267548262 + ... + 267548717.
It is an arithmetic number, because the mean of its divisors is an integer number (12485596200).
Almost surely, 2122002111212 is an apocalyptic number.
122002111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
122002111212 is an abundant number, since it is smaller than the sum of its proper divisors (177652197588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122002111212 is a wasteful number, since it uses less digits than its factorization.
122002111212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 535097005 (or 535097003 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 122002111212 its reverse (212111200221), we get a palindrome (334113311433).
The spelling of 122002111212 in words is "one hundred twenty-two billion, two million, one hundred eleven thousand, two hundred twelve".
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