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122098012 = 22171795559
BaseRepresentation
bin1110100011100…
…01000101011100
322111202012222121
413101301011130
5222224114022
620040552324
73011546611
oct721610534
9274665877
10122098012
1162a15053
1234a826a4
131c3acb5a
1412304508
15aabc2c7
hex747115c

122098012 has 12 divisors (see below), whose sum is σ = 226240560. Its totient is φ = 57457856.

The previous prime is 122098001. The next prime is 122098019. The reversal of 122098012 is 210890221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122098019) 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 3 ways as a sum of consecutive naturals, for example, 897712 + ... + 897847.

It is an arithmetic number, because the mean of its divisors is an integer number (18853380).

Almost surely, 2122098012 is an apocalyptic number.

It is an amenable number.

122098012 is a deficient number, since it is larger than the sum of its proper divisors (104142548).

122098012 is a wasteful number, since it uses less digits than its factorization.

122098012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795580 (or 1795578 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 122098012 is about 11049.7969212108. The cubic root of 122098012 is about 496.1003471529.

The spelling of 122098012 in words is "one hundred twenty-two million, ninety-eight thousand, twelve".

Divisors: 1 2 4 17 34 68 1795559 3591118 7182236 30524503 61049006 122098012