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120012031112 = 2315001503889
BaseRepresentation
bin110111111000101000…
…1100100010010001000
3102110202211210212002012
41233301101210102020
53431241034443422
6131044402155052
711446003301351
oct1576121442210
9373684725065
10120012031112
1146995732296
121b313952a88
13b41783a57c
145b46b98d28
1531c60804e2
hex1bf1464488

120012031112 has 8 divisors (see below), whose sum is σ = 225022558350. Its totient is φ = 60006015552.

The previous prime is 120012031093. The next prime is 120012031123. The reversal of 120012031112 is 211130210021.

It can be written as a sum of positive squares in only one way, i.e., 86550109636 + 33461921476 = 294194^2 + 182926^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1200120311122 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7500751937 + ... + 7500751952.

Almost surely, 2120012031112 is an apocalyptic number.

It is an amenable number.

120012031112 is a deficient number, since it is larger than the sum of its proper divisors (105010527238).

120012031112 is a wasteful number, since it uses less digits than its factorization.

120012031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15001503895 (or 15001503891 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 120012031112 its reverse (211130210021), we get a palindrome (331142241133).

The spelling of 120012031112 in words is "one hundred twenty billion, twelve million, thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 15001503889 30003007778 60006015556 120012031112