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12001442232140 = 2252372133617093
BaseRepresentation
bin1010111010100100110110…
…1100110111011101001100
31120111022211010220002100122
42232221031230313131030
53033112423202412030
641305215250044112
72346034632540644
oct256511554673514
946438733802318
1012001442232140
113907868299199
121419b62879638
13690967436b9a
142d6c31365524
1515c2b98588e5
hexaea4db3774c

12001442232140 has 48 divisors (see below), whose sum is σ = 26302465844928. Its totient is φ = 4591218280704.

The previous prime is 12001442232121. The next prime is 12001442232167. The reversal of 12001442232140 is 4123224410021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1509434 + ... + 5126526.

It is an arithmetic number, because the mean of its divisors is an integer number (547968038436).

Almost surely, 212001442232140 is an apocalyptic number.

12001442232140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001442232140 is an abundant number, since it is smaller than the sum of its proper divisors (14301023612788).

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

12001442232140 is a wasteful number, since it uses less digits than its factorization.

12001442232140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624338 (or 3624336 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 12001442232140 its reverse (4123224410021), we get a palindrome (16124666642161).

The spelling of 12001442232140 in words is "twelve trillion, one billion, four hundred forty-two million, two hundred thirty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 7213 14426 28852 36065 72130 144260 165899 331798 663596 829495 1658990 3317980 3617093 7234186 14468372 18085465 36170930 72341860 83193139 166386278 332772556 415965695 831931390 1663862780 26090091809 52180183618 104360367236 130450459045 260900918090 521801836180 600072111607 1200144223214 2400288446428 3000360558035 6000721116070 12001442232140