Base | Representation |
---|---|
bin | 1011000110101110111101… |
… | …0100010000111100010011 |
3 | 1121020021221122102212111011 |
4 | 2301223233110100330103 |
5 | 3100023204400402011 |
6 | 41545201232431351 |
7 | 2400110626366354 |
oct | 261535724207423 |
9 | 47207848385434 |
10 | 12210312122131 |
11 | 3988400963a92 |
12 | 14525349a8557 |
13 | 6a757327c776 |
14 | 302da746dd2b |
15 | 162941858621 |
hex | b1aef510f13 |
12210312122131 has 8 divisors (see below), whose sum is σ = 12928680875664. Its totient is φ = 11491956157440.
The previous prime is 12210312122083. The next prime is 12210312122143. The reversal of 12210312122131 is 13122121301221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12210312122131 - 239 = 11660556308243 is a prime.
It is a super-2 number, since 2×122103121221312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12210312122731) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195710 + ... + 5084323.
It is an arithmetic number, because the mean of its divisors is an integer number (1616085109458).
Almost surely, 212210312122131 is an apocalyptic number.
12210312122131 is a deficient number, since it is larger than the sum of its proper divisors (718368753533).
12210312122131 is a wasteful number, since it uses less digits than its factorization.
12210312122131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6394421.
The product of its (nonzero) digits is 288, while the sum is 22.
Adding to 12210312122131 its reverse (13122121301221), we get a palindrome (25332433423352).
The spelling of 12210312122131 in words is "twelve trillion, two hundred ten billion, three hundred twelve million, one hundred twenty-two thousand, one hundred thirty-one".
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