Search a number
-
+
12122102021202 = 233224483370763
BaseRepresentation
bin1011000001100110010110…
…0101011011110001010010
31120220212021010120110022000
42300121211211123301102
53042102031104134302
641440452232054430
72360535663040425
oct260314545336122
946825233513260
1012122102021202
113953a55628628
121439417534416
1369c156221a84
142dc9da1799bc
151604cc6dc31c
hexb066595bc52

12122102021202 has 16 divisors (see below), whose sum is σ = 26938004491680. Its totient is φ = 4040700673716.

The previous prime is 12122102021189. The next prime is 12122102021231. The reversal of 12122102021202 is 20212020122121.

It is a happy number.

12122102021202 is a `hidden beast` number, since 1 + 212 + 210 + 20 + 21 + 202 = 666.

It is a super-2 number, since 2×121221020212022 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112241685328 + ... + 112241685435.

It is an arithmetic number, because the mean of its divisors is an integer number (1683625280730).

Almost surely, 212122102021202 is an apocalyptic number.

12122102021202 is an abundant number, since it is smaller than the sum of its proper divisors (14815902470478).

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

12122102021202 is a wasteful number, since it uses less digits than its factorization.

12122102021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224483370774 (or 224483370768 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12122102021202 its reverse (20212020122121), we get a palindrome (32334122143323).

The spelling of 12122102021202 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, twenty-one thousand, two hundred two".

Divisors: 1 2 3 6 9 18 27 54 224483370763 448966741526 673450112289 1346900224578 2020350336867 4040700673734 6061051010601 12122102021202