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122012444 = 22611014951
BaseRepresentation
bin1110100010111…
…00001100011100
322111120212121102
413101130030130
5222213344234
620035052232
73011042261
oct721341434
9274525542
10122012444
1162966834
1234a41078
131c37cc18
14122c1268
15aaa1c7e
hex745c31c

122012444 has 24 divisors (see below), whose sum is σ = 219215136. Its totient is φ = 59400000.

The previous prime is 122012441. The next prime is 122012467. The reversal of 122012444 is 444210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22169 + ... + 27119.

It is an arithmetic number, because the mean of its divisors is an integer number (9133964).

Almost surely, 2122012444 is an apocalyptic number.

It is an amenable number.

122012444 is a deficient number, since it is larger than the sum of its proper divisors (97202692).

122012444 is a wasteful number, since it uses less digits than its factorization.

122012444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117 (or 5115 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 122012444 is about 11045.9243162354. The cubic root of 122012444 is about 495.9844287082.

Adding to 122012444 its reverse (444210221), we get a palindrome (566222665).

The spelling of 122012444 in words is "one hundred twenty-two million, twelve thousand, four hundred forty-four".

Divisors: 1 2 4 61 101 122 202 244 404 4951 6161 9902 12322 19804 24644 302011 500051 604022 1000102 1208044 2000204 30503111 61006222 122012444