Base | Representation |
---|---|
bin | 10001101000111110000… |
… | …100000010000111110010 |
3 | 11021212221211121011102202 |
4 | 101220332010002013302 |
5 | 124330112314202010 |
6 | 2324515340543202 |
7 | 153402664114430 |
oct | 21507604020762 |
9 | 4255854534382 |
10 | 1212222022130 |
11 | 428111802229 |
12 | 176b2a851b02 |
13 | 8a409747472 |
14 | 4295981bd50 |
15 | 217ecbb56a5 |
hex | 11a3e1021f2 |
1212222022130 has 64 divisors (see below), whose sum is σ = 2613024645120. Its totient is φ = 395885079744.
The previous prime is 1212222022129. The next prime is 1212222022147. The reversal of 1212222022130 is 312202222121.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1190384 + ... + 1959963.
It is an arithmetic number, because the mean of its divisors is an integer number (40828510080).
Almost surely, 21212222022130 is an apocalyptic number.
1212222022130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1212222022130 is an abundant number, since it is smaller than the sum of its proper divisors (1400802622990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1212222022130 is a wasteful number, since it uses less digits than its factorization.
1212222022130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3150623.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 1212222022130 its reverse (312202222121), we get a palindrome (1524424244251).
The spelling of 1212222022130 in words is "one trillion, two hundred twelve billion, two hundred twenty-two million, twenty-two thousand, one hundred thirty".
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