Base | Representation |
---|---|
bin | 11011100000111101011111… |
… | …111000100101000001011111 |
3 | 120212110122221002211122121020 |
4 | 123200331133320211001133 |
5 | 111330131203412411111 |
6 | 1105212142213135223 |
7 | 34326564623163333 |
oct | 3340753770450137 |
9 | 525418832748536 |
10 | 121012312232031 |
11 | 3561604051a280 |
12 | 116a4bb662a513 |
13 | 526a54844b5bc |
14 | 21c505476d7c3 |
15 | decc1bc65906 |
hex | 6e0f5fe2505f |
121012312232031 has 8 divisors (see below), whose sum is σ = 176017908701184. Its totient is φ = 73340795292120.
The previous prime is 121012312231963. The next prime is 121012312232047. The reversal of 121012312232031 is 130232213210121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 121012312232031 - 227 = 121012178014303 is a prime.
It is a super-2 number, since 2×1210123122320312 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 121012312231992 and 121012312232010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121012312232051) 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, 1833519882271 + ... + 1833519882336.
It is an arithmetic number, because the mean of its divisors is an integer number (22002238587648).
Almost surely, 2121012312232031 is an apocalyptic number.
121012312232031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
121012312232031 is a deficient number, since it is larger than the sum of its proper divisors (55005596469153).
121012312232031 is a wasteful number, since it uses less digits than its factorization.
121012312232031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3667039764621.
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 121012312232031 its reverse (130232213210121), we get a palindrome (251244525442152).
The spelling of 121012312232031 in words is "one hundred twenty-one trillion, twelve billion, three hundred twelve million, two hundred thirty-two thousand, thirty-one".
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