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12342400000 = 2105571929
BaseRepresentation
bin10110111111010101…
…00001010000000000
31011212011101212211221
423133222201100000
5200234123300000
65400420244424
7614566445320
oct133752412000
934764355757
1012342400000
115263a65887
122485540714
131219089688
148512ab280
154c385761a
hex2dfaa1400

12342400000 has 528 divisors, whose sum is σ = 38378793600. Its totient is φ = 3870720000.

The previous prime is 12342399991. The next prime is 12342400009. The reversal of 12342400000 is 424321.

It is an interprime number because it is at equal distance from previous prime (12342399991) and next prime (12342400009).

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 (12342400009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 425599986 + ... + 425600014.

Almost surely, 212342400000 is an apocalyptic number.

12342400000 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 12342400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19189396800).

12342400000 is an abundant number, since it is smaller than the sum of its proper divisors (26036393600).

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

12342400000 is an frugal number, since it uses more digits than its factorization.

12342400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 12342400000 its reverse (424321), we get a palindrome (12342824321).

The spelling of 12342400000 in words is "twelve billion, three hundred forty-two million, four hundred thousand".