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12432112000 = 275371110091
BaseRepresentation
bin10111001010000001…
…01111100110000000
31012002102012201120121
423211000233212000
5200430110041000
65413343150024
7620036131330
oct134500574600
935072181517
1012432112000
1152aa66a830
1224ab5a5314
13123183a4b9
1485d1810c0
154cb678b1a
hex2e502f980

12432112000 has 256 divisors, whose sum is σ = 38540136960. Its totient is φ = 3874560000.

The previous prime is 12432111997. The next prime is 12432112009. The reversal of 12432112000 is 21123421.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432112009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1226955 + ... + 1237045.

It is an arithmetic number, because the mean of its divisors is an integer number (150547410).

Almost surely, 212432112000 is an apocalyptic number.

12432112000 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 12432112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19270068480).

12432112000 is an abundant number, since it is smaller than the sum of its proper divisors (26108024960).

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

12432112000 is a wasteful number, since it uses less digits than its factorization.

12432112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10138 (or 10116 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12432112000 its reverse (21123421), we get a palindrome (12453235421).

The spelling of 12432112000 in words is "twelve billion, four hundred thirty-two million, one hundred twelve thousand".