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12432020223112 = 2371953220457161
BaseRepresentation
bin1011010011101000111000…
…1001100011010010001000
31122000111012212100100021121
42310322032021203102020
53112141234134114422
642235105150445024
72422120023222460
oct264721611432210
948014185310247
1012432020223112
113a6343234a806
1214894aa503774
136c2446acb1b9
1430d9da62aba0
151685ba99c8c7
hexb4e8e263488

12432020223112 has 64 divisors (see below), whose sum is σ = 28571248195200. Its totient is φ = 4952349642240.

The previous prime is 12432020223107. The next prime is 12432020223121. The reversal of 12432020223112 is 21132202023421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110172189 + ... + 110284972.

It is an arithmetic number, because the mean of its divisors is an integer number (446425753050).

Almost surely, 212432020223112 is an apocalyptic number.

It is an amenable number.

12432020223112 is an abundant number, since it is smaller than the sum of its proper divisors (16139227972088).

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

12432020223112 is a wasteful number, since it uses less digits than its factorization.

12432020223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220457246 (or 220457242 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12432020223112 its reverse (21132202023421), we get a palindrome (33564222246533).

The spelling of 12432020223112 in words is "twelve trillion, four hundred thirty-two billion, twenty million, two hundred twenty-three thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 19 28 38 53 56 76 106 133 152 212 266 371 424 532 742 1007 1064 1484 2014 2968 4028 7049 8056 14098 28196 56392 220457161 440914322 881828644 1543200127 1763657288 3086400254 4188686059 6172800508 8377372118 11684229533 12345601016 16754744236 23368459066 29320802413 33509488472 46736918132 58641604826 81789606731 93473836264 117283209652 163579213462 222000361127 234566419304 327158426924 444000722254 654316853848 888001444508 1554002527889 1776002889016 3108005055778 6216010111556 12432020223112