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12499340000 = 255471937127
BaseRepresentation
bin10111010010000010…
…01100101011100000
31012021002201021001112
423221001030223200
5201044312340000
65424144122452
7621513431330
oct135101145340
935232637045
1012499340000
115334608164
12250a006428
131242748394
148680810c0
154d2508235
hex2e904cae0

12499340000 has 480 divisors, whose sum is σ = 38291742720. Its totient is φ = 3919104000.

The previous prime is 12499339999. The next prime is 12499340003. The reversal of 12499340000 is 4399421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12499340003) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 98419937 + ... + 98420063.

It is an arithmetic number, because the mean of its divisors is an integer number (79774464).

Almost surely, 212499340000 is an apocalyptic number.

12499340000 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 12499340000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19145871360).

12499340000 is an abundant number, since it is smaller than the sum of its proper divisors (25792402720).

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

12499340000 is a wasteful number, since it uses less digits than its factorization.

12499340000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 12499340000 in words is "twelve billion, four hundred ninety-nine million, three hundred forty thousand".