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120012101112 = 23316729943139
BaseRepresentation
bin110111111000101000…
…1110101010111111000
3102110202211221102002210
41233301101311113320
53431241044213422
6131044403455120
711446004012421
oct1576121652770
9373684842083
10120012101112
114699577a942
121b3139874a0
13b4178633a7
145b46bb6648
1531c609610c
hex1bf14755f8

120012101112 has 32 divisors (see below), whose sum is σ = 301826851200. Its totient is φ = 39764487264.

The previous prime is 120012101057. The next prime is 120012101113. The reversal of 120012101112 is 211101210021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012101113) 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, 14967562 + ... + 14975577.

It is an arithmetic number, because the mean of its divisors is an integer number (9432089100).

Almost surely, 2120012101112 is an apocalyptic number.

120012101112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120012101112 is an abundant number, since it is smaller than the sum of its proper divisors (181814750088).

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

120012101112 is a wasteful number, since it uses less digits than its factorization.

120012101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29943315 (or 29943311 counting only the distinct ones).

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

Adding to 120012101112 its reverse (211101210021), we get a palindrome (331113311133).

The spelling of 120012101112 in words is "one hundred twenty billion, twelve million, one hundred one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 167 334 501 668 1002 1336 2004 4008 29943139 59886278 89829417 119772556 179658834 239545112 359317668 718635336 5000504213 10001008426 15001512639 20002016852 30003025278 40004033704 60006050556 120012101112