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12112426231500 = 2235374192753137
BaseRepresentation
bin1011000001000010010011…
…0111001110011011001100
31120212221021210212102002110
42300100210313032123030
53041422222103402000
641432212150224020
72360044133141130
oct260204467163314
946787253772073
1012112426231500
11394a93a923611
121437577055010
1369b27375b01a
142dc35d0cd3c0
15160113021850
hexb0424dce6cc

12112426231500 has 192 divisors, whose sum is σ = 40406374794240. Its totient is φ = 2761946035200.

The previous prime is 12112426231471. The next prime is 12112426231567. The reversal of 12112426231500 is 513262421121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3022932 + ... + 5776068.

It is an arithmetic number, because the mean of its divisors is an integer number (210449868720).

Almost surely, 212112426231500 is an apocalyptic number.

12112426231500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12112426231500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20203187397120).

12112426231500 is an abundant number, since it is smaller than the sum of its proper divisors (28293948562740).

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

12112426231500 is a wasteful number, since it uses less digits than its factorization.

12112426231500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753585 (or 2753573 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 12112426231500 its reverse (513262421121), we get a palindrome (12625688652621).

The spelling of 12112426231500 in words is "twelve trillion, one hundred twelve billion, four hundred twenty-six million, two hundred thirty-one thousand, five hundred".