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12302312100000 = 25355133154439
BaseRepresentation
bin1011001100000101101011…
…1100010101000010100000
31121120002102021121222110220
42303001122330111002200
53103030113344200000
642055334255323040
72406545522323236
oct263013274250240
947502367558426
1012302312100000
113a1342150704a
12146832b520480
136b314553bcb0
14307613c1c956
151650285911a0
hexb305af150a0

12302312100000 has 288 divisors, whose sum is σ = 43469344033920. Its totient is φ = 3028260480000.

The previous prime is 12302312099947. The next prime is 12302312100049. The reversal of 12302312100000 is 121320321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2322781 + ... + 5477219.

It is an arithmetic number, because the mean of its divisors is an integer number (150935222340).

Almost surely, 212302312100000 is an apocalyptic number.

12302312100000 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 12302312100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21734672016960).

12302312100000 is an abundant number, since it is smaller than the sum of its proper divisors (31167031933920).

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

12302312100000 is an equidigital number, since it uses as much as digits as its factorization.

12302312100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154490 (or 3154462 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12302312100000 its reverse (121320321), we get a palindrome (12302433420321).

The spelling of 12302312100000 in words is "twelve trillion, three hundred two billion, three hundred twelve million, one hundred thousand".