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120120012001 = 1198391109869
BaseRepresentation
bin110111111011110110…
…1011110110011100001
3102111001100222212000101
41233313231132303201
53432001210341001
6131103220422401
711451454153423
oct1576755366341
9374040885011
10120120012001
1146a406849a0
121b343b47a01
13b4340168a2
145b57266813
1531d07aea01
hex1bf7b5ece1

120120012001 has 8 divisors (see below), whose sum is σ = 131053449600. Its totient is φ = 109188813840.

The previous prime is 120120011987. The next prime is 120120012017. The reversal of 120120012001 is 100210021021.

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 120120012001 - 27 = 120120011873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120120012301) 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, 446706 + ... + 663163.

It is an arithmetic number, because the mean of its divisors is an integer number (16381681200).

Almost surely, 2120120012001 is an apocalyptic number.

120120012001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120120012001 is a deficient number, since it is larger than the sum of its proper divisors (10933437599).

120120012001 is a wasteful number, since it uses less digits than its factorization.

120120012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119719.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120120012001 its reverse (100210021021), we get a palindrome (220330033022).

The spelling of 120120012001 in words is "one hundred twenty billion, one hundred twenty million, twelve thousand, one".

Divisors: 1 11 9839 108229 1109869 12208559 10920001091 120120012001