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12031210002300 = 223523710317958789
BaseRepresentation
bin1010111100010011101111…
…1111111001011101111100
31120121011122201012111021120
42233010323333321131330
53034104404230033200
641331021144430540
72351140412445606
oct257047377713574
946534581174246
1012031210002300
113919453436535
12142388ba78450
136936cc66ba78
142d84569dc176
1515ce5cdad9a0
hexaf13bff977c

12031210002300 has 288 divisors, whose sum is σ = 36300501619200. Its totient is φ = 3073982192640.

The previous prime is 12031210002269. The next prime is 12031210002323. The reversal of 12031210002300 is 320001213021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12031210002300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 204621306 + ... + 204680094.

It is an arithmetic number, because the mean of its divisors is an integer number (126043408400).

Almost surely, 212031210002300 is an apocalyptic number.

12031210002300 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 12031210002300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18150250809600).

12031210002300 is an abundant number, since it is smaller than the sum of its proper divisors (24269291616900).

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

12031210002300 is a wasteful number, since it uses less digits than its factorization.

12031210002300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59125 (or 59118 counting only the distinct ones).

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

Adding to 12031210002300 its reverse (320001213021), we get a palindrome (12351211215321).

The spelling of 12031210002300 in words is "twelve trillion, thirty-one billion, two hundred ten million, two thousand, three hundred".