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121212334214 = 21311931239587
BaseRepresentation
bin111000011100011010…
…0010111000010000110
3102120212111101120101122
41300320310113002012
53441220324143324
6131403440553542
711520516561326
oct1607064270206
9376774346348
10121212334214
1147451225824
121b5a99228b2
13b5794099aa
145c1c367286
15324662aa5e
hex1c38d17086

121212334214 has 16 divisors (see below), whose sum is σ = 183302070336. Its totient is φ = 60112127400.

The previous prime is 121212334189. The next prime is 121212334301. The reversal of 121212334214 is 412433212121.

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 7 ways as a sum of consecutive naturals, for example, 386129 + ... + 625715.

It is an arithmetic number, because the mean of its divisors is an integer number (11456379396).

Almost surely, 2121212334214 is an apocalyptic number.

121212334214 is a deficient number, since it is larger than the sum of its proper divisors (62089736122).

121212334214 is a wasteful number, since it uses less digits than its factorization.

121212334214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241651.

The product of its digits is 2304, while the sum is 26.

Adding to 121212334214 its reverse (412433212121), we get a palindrome (533645546335).

The spelling of 121212334214 in words is "one hundred twenty-one billion, two hundred twelve million, three hundred thirty-four thousand, two hundred fourteen".

Divisors: 1 2 131 262 1931 3862 239587 252961 479174 505922 31385897 62771794 462642497 925284994 60606167107 121212334214