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12343432112120 = 2351558119805263
BaseRepresentation
bin1011001110011110110111…
…1000101110011111111000
31121201000120000012000202202
42303213231320232133320
53104213322110041440
642130254444045332
72412532516546424
oct263475570563770
947630500160682
1012343432112120
113a299026a883a
1214742a6533848
136b6c9965b005
143095d5057b84
15166133563615
hexb39ede2e7f8

12343432112120 has 32 divisors (see below), whose sum is σ = 27774506128320. Its totient is φ = 4937055711360.

The previous prime is 12343432112093. The next prime is 12343432112153. The reversal of 12343432112120 is 2121123434321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9279392 + ... + 10525871.

It is an arithmetic number, because the mean of its divisors is an integer number (867953316510).

Almost surely, 212343432112120 is an apocalyptic number.

12343432112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12343432112120 is an abundant number, since it is smaller than the sum of its proper divisors (15431074016200).

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

12343432112120 is a wasteful number, since it uses less digits than its factorization.

12343432112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19820855 (or 19820851 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 12343432112120 its reverse (2121123434321), we get a palindrome (14464555546441).

The spelling of 12343432112120 in words is "twelve trillion, three hundred forty-three billion, four hundred thirty-two million, one hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 15581 31162 62324 77905 124648 155810 311620 623240 19805263 39610526 79221052 99026315 158442104 198052630 396105260 792210520 308585802803 617171605606 1234343211212 1542929014015 2468686422424 3085858028030 6171716056060 12343432112120