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120012101 = 1131135081
BaseRepresentation
bin1110010011100…
…11110101000101
322100211020122122
413021303311011
5221210341401
615524135325
72655041336
oct711636505
9270736578
10120012101
116181a960
1234237545
131bb2c5a1
1411d2028d
15a80921b
hex7273d45

120012101 has 8 divisors (see below), whose sum is σ = 131347008. Its totient is φ = 108748000.

The previous prime is 120012089. The next prime is 120012131. The reversal of 120012101 is 101210021.

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

It is a cyclic number.

It is not a de Polignac number, because 120012101 - 218 = 119749957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14120 + ... + 20961.

It is an arithmetic number, because the mean of its divisors is an integer number (16418376).

Almost surely, 2120012101 is an apocalyptic number.

120012101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120012101 is a deficient number, since it is larger than the sum of its proper divisors (11334907).

120012101 is a wasteful number, since it uses less digits than its factorization.

120012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35403.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 120012101 is about 10955.0034687352. The cubic root of 120012101 is about 493.2589941045.

Adding to 120012101 its reverse (101210021), we get a palindrome (221222122).

The spelling of 120012101 in words is "one hundred twenty million, twelve thousand, one hundred one".

Divisors: 1 11 311 3421 35081 385891 10910191 120012101