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12101212002 = 2311183351697
BaseRepresentation
bin10110100010100100…
…11101011101100010
31011020100120021010010
423101102131131202
5144240402241002
65320442545350
7605610414315
oct132122353542
934210507103
1012101212002
11514a900760
122418808256
1311ab110b99
1482b24697c
154ac5b446c
hex2d149d762

12101212002 has 16 divisors (see below), whose sum is σ = 26402644512. Its totient is φ = 3667033920.

The previous prime is 12101211989. The next prime is 12101212031. The reversal of 12101212002 is 20021210121.

12101212002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91675783 + ... + 91675914.

It is an arithmetic number, because the mean of its divisors is an integer number (1650165282).

Almost surely, 212101212002 is an apocalyptic number.

12101212002 is an abundant number, since it is smaller than the sum of its proper divisors (14301432510).

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

12101212002 is a wasteful number, since it uses less digits than its factorization.

12101212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183351713.

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

Adding to 12101212002 its reverse (20021210121), we get a palindrome (32122422123).

It can be divided in two parts, 1210121 and 2002, that multiplied together give a palindrome (2422662242).

The spelling of 12101212002 in words is "twelve billion, one hundred one million, two hundred twelve thousand, two".

Divisors: 1 2 3 6 11 22 33 66 183351697 366703394 550055091 1100110182 2016868667 4033737334 6050606001 12101212002