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1112421212 = 22739729329
BaseRepresentation
bin100001001001110…
…0011001101011100
32212112012212000122
41002103203031130
54234234434322
6302215014112
736365265350
oct10223431534
92775185018
101112421212
11520a29581
1227066a338
1314960c606
14a7a53460
15679db442
hex424e335c

1112421212 has 12 divisors (see below), whose sum is σ = 2224842480. Its totient is φ = 476751936.

The previous prime is 1112421209. The next prime is 1112421241. The reversal of 1112421212 is 2121242111.

1112421212 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

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, 19864637 + ... + 19864692.

It is an arithmetic number, because the mean of its divisors is an integer number (185403540).

Almost surely, 21112421212 is an apocalyptic number.

It is an amenable number.

1112421212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1112421212 is a wasteful number, since it uses less digits than its factorization.

1112421212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39729340 (or 39729338 counting only the distinct ones).

The product of its digits is 64, while the sum is 17.

The square root of 1112421212 is about 33352.9790573496. The cubic root of 1112421212 is about 1036.1510875685.

Adding to 1112421212 its reverse (2121242111), we get a palindrome (3233663323).

The spelling of 1112421212 in words is "one billion, one hundred twelve million, four hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 39729329 79458658 158917316 278105303 556210606 1112421212