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1230312130200 = 2332528941918329
BaseRepresentation
bin10001111001110100010…
…100010100011010011000
311100121122120022212111100
4101321310110110122120
5130124134401131300
62341110402431400
7154613165362326
oct21716424243230
94317576285440
101230312130200
1143485513a16a
1217a539062560
138c030536c1a
14437941c2d16
152200ae1c700
hex11e74514698

1230312130200 has 288 divisors, whose sum is σ = 4188423330000. Its totient is φ = 323605032960.

The previous prime is 1230312130193. The next prime is 1230312130231. The reversal of 1230312130200 is 20312130321.

1230312130200 is a `hidden beast` number, since 1 + 23 + 0 + 312 + 130 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 67114636 + ... + 67132964.

Almost surely, 21230312130200 is an apocalyptic number.

1230312130200 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 1230312130200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2094211665000).

1230312130200 is an abundant number, since it is smaller than the sum of its proper divisors (2958111199800).

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

1230312130200 is a wasteful number, since it uses less digits than its factorization.

1230312130200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18859 (or 18847 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1230312130200 its reverse (20312130321), we get a palindrome (1250624260521).

It can be divided in two parts, 12303121 and 30200, that added together give a palindrome (12333321).

The spelling of 1230312130200 in words is "one trillion, two hundred thirty billion, three hundred twelve million, one hundred thirty thousand, two hundred".