Search a number
-
+
2123322201212 = 221213437617931
BaseRepresentation
bin11110111001011111110…
…111011001010001111100
321111222122222022202202212
4132321133313121101330
5234242030440414322
64303235111435552
7306255621630212
oct36713767312174
97458588282685
102123322201212
11749550033943
122a3620385bb8
131252c7b05074
1474aab110cb2
153a37496e0e2
hex1ee5fdd947c

2123322201212 has 12 divisors (see below), whose sum is σ = 3718877186136. Its totient is φ = 1060785862320.

The previous prime is 2123322201181. The next prime is 2123322201241. The reversal of 2123322201212 is 2121022233212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218804114 + ... + 218813817.

It is an arithmetic number, because the mean of its divisors is an integer number (309906432178).

Almost surely, 22123322201212 is an apocalyptic number.

It is an amenable number.

2123322201212 is a deficient number, since it is larger than the sum of its proper divisors (1595554984924).

2123322201212 is a wasteful number, since it uses less digits than its factorization.

2123322201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437619148 (or 437619146 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2123322201212 its reverse (2121022233212), we get a palindrome (4244344434424).

Subtracting from 2123322201212 its reverse (2121022233212), we obtain a cube (2299968000 = 13203).

The spelling of 2123322201212 in words is "two trillion, one hundred twenty-three billion, three hundred twenty-two million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 4 1213 2426 4852 437617931 875235862 1750471724 530830550303 1061661100606 2123322201212