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1213301113200 = 2432521130638917
BaseRepresentation
bin10001101001111110011…
…000011100000101110000
311021222202001002200002200
4101221332120130011300
5124334320041110300
62325214405343200
7153441506204511
oct21517630340560
94258661080080
101213301113200
11428615936330
12177190107b00
138a54c1870a7
1442a1cc76a08
15218627bb200
hex11a7e61c170

1213301113200 has 180 divisors, whose sum is σ = 4593264030888. Its totient is φ = 294133593600.

The previous prime is 1213301113187. The next prime is 1213301113207. The reversal of 1213301113200 is 23111033121.

1213301113200 is a `hidden beast` number, since 1 + 2 + 1 + 330 + 1 + 11 + 320 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213301113207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15279859 + ... + 15359058.

Almost surely, 21213301113200 is an apocalyptic number.

1213301113200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213301113200 is an abundant number, since it is smaller than the sum of its proper divisors (3379962917688).

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

1213301113200 is a wasteful number, since it uses less digits than its factorization.

1213301113200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30638952 (or 30638938 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1213301113200 its reverse (23111033121), we get a palindrome (1236412146321).

The spelling of 1213301113200 in words is "one trillion, two hundred thirteen billion, three hundred one million, one hundred thirteen thousand, two hundred".