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122012212 = 2274357579
BaseRepresentation
bin1110100010111…
…00001000110100
322111120212021211
413101130020310
5222213342322
620035051204
73011041510
oct721341064
9274525254
10122012212
1162966643
1234a40b04
131c37ca9a
14122c1140
15aaa1b77
hex745c234

122012212 has 12 divisors (see below), whose sum is σ = 244024480. Its totient is φ = 52290936.

The previous prime is 122012197. The next prime is 122012257. The reversal of 122012212 is 212210221.

It is a happy number.

122012212 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 122012192 and 122012201.

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, 2178762 + ... + 2178817.

Almost surely, 2122012212 is an apocalyptic number.

It is an amenable number.

122012212 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.

122012212 is a wasteful number, since it uses less digits than its factorization.

122012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4357590 (or 4357588 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 122012212 is about 11045.9138146194. The cubic root of 122012212 is about 495.9841143455.

Adding to 122012212 its reverse (212210221), we get a palindrome (334222433).

The spelling of 122012212 in words is "one hundred twenty-two million, twelve thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 4357579 8715158 17430316 30503053 61006106 122012212