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12312301000 = 2353173161383
BaseRepresentation
bin10110111011101111…
…01100110111001000
31011210001202200210011
423131313230313020
5200203422113000
65353423201304
7614052555166
oct133567546710
934701680704
1012312301000
115248a77a7a
122477446234
131212a7b60c
1484b2b4236
154c0dae2ba
hex2dddecdc8

12312301000 has 256 divisors, whose sum is σ = 32089374720. Its totient is φ = 4400640000.

The previous prime is 12312300991. The next prime is 12312301063. The reversal of 12312301000 is 10321321.

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, 32146809 + ... + 32147191.

It is an arithmetic number, because the mean of its divisors is an integer number (125349120).

Almost surely, 212312301000 is an apocalyptic number.

12312301000 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 12312301000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16044687360).

12312301000 is an abundant number, since it is smaller than the sum of its proper divisors (19777073720).

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

12312301000 is a wasteful number, since it uses less digits than its factorization.

12312301000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12312301000 its reverse (10321321), we get a palindrome (12322622321).

The spelling of 12312301000 in words is "twelve billion, three hundred twelve million, three hundred one thousand".