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120120111012 = 22311910000841
BaseRepresentation
bin110111111011110110…
…1110110111110100100
3102111001101011212211110
41233313231312332210
53432001222023022
6131103222505020
711451455045166
oct1576755667644
9374041155743
10120120111012
1146a40742320
121b343b95170
13b43404c985
145b57290936
1531d07ce00c
hex1bf7b76fa4

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".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 910000841 1820001682 2730002523 3640003364 5460005046 10010009251 10920010092 20020018502 30030027753 40040037004 60060055506 120120111012