Search a number
-
+
12110012020121 = 594194481109321
BaseRepresentation
bin1011000000111001010011…
…1101101111010110011001
31120212201001120002202200012
42300032110331233112121
53041402301034120441
641431132425251305
72356630246525031
oct260162475572631
946781046082605
1012110012020121
1139499110948a4
121437002633b35
1369ac7a537992
142dc1b06108c1
151600210de9eb
hexb0394f6f599

12110012020121 has 16 divisors (see below), whose sum is σ = 12347526340800. Its totient is φ = 11873586278400.

The previous prime is 12110012020103. The next prime is 12110012020163. The reversal of 12110012020121 is 12102021001121.

It is a cyclic number.

It is not a de Polignac number, because 12110012020121 - 210 = 12110012019097 is a prime.

It is a super-2 number, since 2×121100120201212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12110012020096 and 12110012020105.

It is not an unprimeable number, because it can be changed into a prime (12110012020721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110720141 + ... + 110829461.

It is an arithmetic number, because the mean of its divisors is an integer number (771720396300).

Almost surely, 212110012020121 is an apocalyptic number.

It is an amenable number.

12110012020121 is a deficient number, since it is larger than the sum of its proper divisors (237514320679).

12110012020121 is a wasteful number, since it uses less digits than its factorization.

12110012020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114280.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12110012020121 its reverse (12102021001121), we get a palindrome (24212033021242).

The spelling of 12110012020121 in words is "twelve trillion, one hundred ten billion, twelve million, twenty thousand, one hundred twenty-one".

Divisors: 1 59 419 4481 24721 109321 264379 1877539 6449939 45805499 110774801 489867401 2702524441 28902176659 205254441019 12110012020121