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12100021210002 = 2311201667909091
BaseRepresentation
bin1011000000010100000101…
…1101110100101110010010
31120211202021021122000200210
42300011001131310232102
53041221320412210002
641422401211424550
72356124543166525
oct260050135645622
946752237560623
1012100021210002
113945654587330
121435094755156
1369a04771740b
142db9037a0bbc
1515eb38e4996c
hexb0141774b92

12100021210002 has 32 divisors (see below), whose sum is σ = 26400206225664. Its totient is φ = 3666650878800.

The previous prime is 12100021209973. The next prime is 12100021210033. The reversal of 12100021210002 is 20001212000121.

It is a self number, because there is not a number n which added to its sum of digits gives 12100021210002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12855477 + ... + 13764567.

It is an arithmetic number, because the mean of its divisors is an integer number (825006444552).

Almost surely, 212100021210002 is an apocalyptic number.

12100021210002 is an abundant number, since it is smaller than the sum of its proper divisors (14300185015662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12100021210002 is a wasteful number, since it uses less digits than its factorization.

12100021210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110774.

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

Adding to 12100021210002 its reverse (20001212000121), we get a palindrome (32101233210123).

The spelling of 12100021210002 in words is "twelve trillion, one hundred billion, twenty-one million, two hundred ten thousand, two".

Divisors: 1 2 3 6 11 22 33 66 201667 403334 605001 909091 1210002 1818182 2218337 2727273 4436674 5454546 6655011 10000001 13310022 20000002 30000003 60000006 183333654697 366667309394 550000964091 1100001928182 2016670201667 4033340403334 6050010605001 12100021210002