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120012011112 = 2337714357209
BaseRepresentation
bin110111111000101000…
…1011111011001101000
3102110202211202211122110
41233301101133121220
53431241033323422
6131044401522320
711446003156140
oct1576121373150
9373684684573
10120012011112
1146995719264
121b3139433a0
13b417831436
145b46b91920
1531c607960c
hex1bf145f668

120012011112 has 32 divisors (see below), whose sum is σ = 342891460800. Its totient is φ = 34289145984.

The previous prime is 120012011089. The next prime is 120012011117. The reversal of 120012011112 is 211110210021.

It is a super-2 number, since 2×1200120111122 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (120012011117) 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, 357178437 + ... + 357178772.

It is an arithmetic number, because the mean of its divisors is an integer number (10715358150).

Almost surely, 2120012011112 is an apocalyptic number.

120012011112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120012011112 is an abundant number, since it is smaller than the sum of its proper divisors (222879449688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120012011112 is a wasteful number, since it uses less digits than its factorization.

120012011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714357225 (or 714357221 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120012011112 its reverse (211110210021), we get a palindrome (331122221133).

The spelling of 120012011112 in words is "one hundred twenty billion, twelve million, eleven thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 714357209 1428714418 2143071627 2857428836 4286143254 5000500463 5714857672 8572286508 10001000926 15001501389 17144573016 20002001852 30003002778 40004003704 60006005556 120012011112