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120012112212012 = 223231107537734957
BaseRepresentation
bin11011010010011001111111…
…010100010011000000101100
3120201221001020110001011020100
4123102121333110103000230
5111212234301211241022
61103124445255351100
734164406006244466
oct3322317724230054
9521831213034210
10120012112212012
113526a93a6a8389
1211563199682490
1351c712a8bc627
14218c88d93b136
15dd1bccb8e1ac
hex6d267f51302c

120012112212012 has 36 divisors (see below), whose sum is σ = 313149884197696. Its totient is φ = 38713584584160.

The previous prime is 120012112212011. The next prime is 120012112212029. The reversal of 120012112212012 is 210212211210021.

120012112212012 is a `hidden beast` number, since 1 + 200 + 1 + 211 + 221 + 20 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (120012112212011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53768866363 + ... + 53768868594.

Almost surely, 2120012112212012 is an apocalyptic number.

120012112212012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120012112212012 is an abundant number, since it is smaller than the sum of its proper divisors (193137771985684).

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

120012112212012 is a wasteful number, since it uses less digits than its factorization.

120012112212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107537734998 (or 107537734993 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120012112212012 its reverse (210212211210021), we get a palindrome (330224323422033).

The spelling of 120012112212012 in words is "one hundred twenty trillion, twelve billion, one hundred twelve million, two hundred twelve thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 1116 107537734957 215075469914 322613204871 430150939828 645226409742 967839614613 1290452819484 1935679229226 3333669783667 3871358458452 6667339567334 10001009351001 13334679134668 20002018702002 30003028053003 40004037404004 60006056106006 120012112212012