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121222202212102 = 23111858731048517
BaseRepresentation
bin11011100100000000111110…
…010011010011111100000110
3120220012201200200212101020211
4123210000332103103330012
5111342101032231241402
61105452413315550034
734351005114445435
oct3344007623237406
9526181620771224
10121222202212102
113569705798a922
12117198122bb31a
135284287716794
1421d128613511c
15e034035b44d7
hex6e403e4d3f06

121222202212102 has 16 divisors (see below), whose sum is σ = 182419131709152. Its totient is φ = 60415827445120.

The previous prime is 121222202212039. The next prime is 121222202212141. The reversal of 121222202212102 is 201212202222121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115088748 + ... + 116137264.

It is an arithmetic number, because the mean of its divisors is an integer number (11401195731822).

Almost surely, 2121222202212102 is an apocalyptic number.

121222202212102 is a deficient number, since it is larger than the sum of its proper divisors (61196929497050).

121222202212102 is a wasteful number, since it uses less digits than its factorization.

121222202212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234703.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 121222202212102 its reverse (201212202222121), we get a palindrome (322434404434223).

The spelling of 121222202212102 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred two million, two hundred twelve thousand, one hundred two".

Divisors: 1 2 311 622 185873 371746 1048517 2097034 57806503 115613006 326088787 652177574 194891000341 389782000682 60611101106051 121222202212102