Base | Representation |
---|---|
bin | 1011000111011011010010… |
… | …0111011101011001011111 |
3 | 1121021102122222112110111002 |
4 | 2301312310213131121133 |
5 | 3100222042310400111 |
6 | 41554450132420515 |
7 | 2401011545364131 |
oct | 261666447353137 |
9 | 47242588473432 |
10 | 12222212200031 |
11 | 3992458177709 |
12 | 14548b617773b |
13 | 6a871b7ca092 |
14 | 3037b5abb051 |
15 | 162ddb43c63b |
hex | b1db49dd65f |
12222212200031 has 2 divisors, whose sum is σ = 12222212200032. Its totient is φ = 12222212200030.
The previous prime is 12222212199973. The next prime is 12222212200039. The reversal of 12222212200031 is 13000221222221.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12222212200031 - 238 = 11947334293087 is a prime.
It is a super-2 number, since 2×122222122000312 (a number of 27 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a junction number, because it is equal to n+sod(n) for n = 12222212199976 and 12222212200012.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12222212200039) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111106100015 + 6111106100016.
It is an arithmetic number, because the mean of its divisors is an integer number (6111106100016).
Almost surely, 212222212200031 is an apocalyptic number.
12222212200031 is a deficient number, since it is larger than the sum of its proper divisors (1).
12222212200031 is an equidigital number, since it uses as much as digits as its factorization.
12222212200031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 12222212200031 its reverse (13000221222221), we get a palindrome (25222433422252).
The spelling of 12222212200031 in words is "twelve trillion, two hundred twenty-two billion, two hundred twelve million, two hundred thousand, thirty-one".
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