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122012099 = 1115237283
BaseRepresentation
bin1110100010111…
…00000111000011
322111120212010122
413101130013003
5222213341344
620035050455
73011041256
oct721340703
9274525118
10122012099
1162966550
1234a40a2b
131c37ca11
14122c109d
15aaa1aee
hex745c1c3

122012099 has 8 divisors (see below), whose sum is σ = 133209792. Its totient is φ = 110832040.

The previous prime is 122012087. The next prime is 122012101. The reversal of 122012099 is 990210221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122012099 - 24 = 122012083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122012029) 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, 13112 + ... + 20394.

It is an arithmetic number, because the mean of its divisors is an integer number (16651224).

Almost surely, 2122012099 is an apocalyptic number.

122012099 is a deficient number, since it is larger than the sum of its proper divisors (11197693).

122012099 is a wasteful number, since it uses less digits than its factorization.

122012099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8817.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 122012099 is about 11045.9086996046. The cubic root of 122012099 is about 495.9839612291.

The spelling of 122012099 in words is "one hundred twenty-two million, twelve thousand, ninety-nine".

Divisors: 1 11 1523 7283 16753 80113 11092009 122012099