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12010000221021 = 31114914243171491
BaseRepresentation
bin1010111011000100101111…
…0011000000001101011101
31120112010220120020222002210
42232301023303000031131
53033232440024033041
641313152401311033
72346460000334565
oct256611363001535
946463816228083
1012010000221021
11391045a02a980
12141b750935479
136916cc45682a
142d7403b9bda5
1515c61ad24016
hexaec4bcc035d

12010000221021 has 32 divisors (see below), whose sum is σ = 17587670745600. Its totient is φ = 7229387316800.

The previous prime is 12010000220963. The next prime is 12010000221031. The reversal of 12010000221021 is 12012200001021.

12010000221021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12010000221021 - 29 = 12010000220509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12010000220988 and 12010000221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010000221031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69947086 + ... + 70118576.

It is an arithmetic number, because the mean of its divisors is an integer number (549614710800).

Almost surely, 212010000221021 is an apocalyptic number.

12010000221021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12010000221021 is a deficient number, since it is larger than the sum of its proper divisors (5577670524579).

12010000221021 is a wasteful number, since it uses less digits than its factorization.

12010000221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185897.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12010000221021 its reverse (12012200001021), we get a palindrome (24022200222042).

The spelling of 12010000221021 in words is "twelve trillion, ten billion, two hundred twenty-one thousand, twenty-one".

Divisors: 1 3 11 33 149 447 1639 4917 14243 42729 156673 171491 470019 514473 1886401 2122207 5659203 6366621 23344277 25552159 70032831 76656477 281073749 843221247 2442546313 7327638939 26868009443 80604028329 363939400637 1091818201911 4003333407007 12010000221021