Base | Representation |
---|---|
bin | 110111111011110110… |
… | …1110110111110100100 |
3 | 102111001101011212211110 |
4 | 1233313231312332210 |
5 | 3432001222023022 |
6 | 131103222505020 |
7 | 11451455045166 |
oct | 1576755667644 |
9 | 374041155743 |
10 | 120120111012 |
11 | 46a40742320 |
12 | 1b343b95170 |
13 | b43404c985 |
14 | 5b57290936 |
15 | 31d07ce00c |
hex | 1bf7b76fa4 |
120120111012 has 24 divisors (see below), whose sum is σ = 305760282912. Its totient is φ = 36400033600.
The previous prime is 120120110941. The next prime is 120120111031. The reversal of 120120111012 is 210111021021.
It is a Harshad number since it is a multiple of its sum of digits (12).
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, 455000289 + ... + 455000552.
It is an arithmetic number, because the mean of its divisors is an integer number (12740011788).
Almost surely, 2120120111012 is an apocalyptic number.
120120111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
120120111012 is an abundant number, since it is smaller than the sum of its proper divisors (185640171900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120120111012 is a wasteful number, since it uses less digits than its factorization.
120120111012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 910000859 (or 910000857 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 120120111012 its reverse (210111021021), we get a palindrome (330231132033).
It can be divided in two parts, 120120 and 111012, that added together give a palindrome (231132).
The spelling of 120120111012 in words is "one hundred twenty billion, one hundred twenty million, one hundred eleven thousand, twelve".
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