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122012222 = 2297129629
BaseRepresentation
bin1110100010111…
…00001000111110
322111120212022012
413101130020332
5222213342342
620035051222
73011041523
oct721341076
9274525265
10122012222
1162966652
1234a40b12
131c37caa7
14122c114a
15aaa1b82
hex745c23e

122012222 has 16 divisors (see below), whose sum is σ = 192002400. Its totient is φ = 58070880.

The previous prime is 122012197. The next prime is 122012257. The reversal of 122012222 is 222210221.

It is a junction number, because it is equal to n+sod(n) for n = 122012197 and 122012206.

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, 10697 + ... + 18932.

It is an arithmetic number, because the mean of its divisors is an integer number (12000150).

Almost surely, 2122012222 is an apocalyptic number.

122012222 is a deficient number, since it is larger than the sum of its proper divisors (69990178).

122012222 is a wasteful number, since it uses less digits than its factorization.

122012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29731.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 122012222 is about 11045.9142672755. The cubic root of 122012222 is about 495.9841278957.

Adding to 122012222 its reverse (222210221), we get a palindrome (344222443).

The spelling of 122012222 in words is "one hundred twenty-two million, twelve thousand, two hundred twenty-two".

Divisors: 1 2 29 58 71 142 2059 4118 29629 59258 859241 1718482 2103659 4207318 61006111 122012222