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1200100300000 = 255575413169
BaseRepresentation
bin10001011101101011100…
…011010101010011100000
311020201200001102212201021
4101131223203111103200
5124130301134100000
62315152442215224
7152463414144610
oct21355343252340
94221601385637
101200100300000
11422a61372a58
121747071b4514
1389227304c14
1442129996a40
152133d8ee11a
hex1176b8d54e0

1200100300000 has 288 divisors, whose sum is σ = 3382371639360. Its totient is φ = 410572800000.

The previous prime is 1200100299877. The next prime is 1200100300027. The reversal of 1200100300000 is 30010021.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

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, 378698416 + ... + 378701584.

It is an arithmetic number, because the mean of its divisors is an integer number (11744345970).

Almost surely, 21200100300000 is an apocalyptic number.

1200100300000 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 1200100300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1691185819680).

1200100300000 is an abundant number, since it is smaller than the sum of its proper divisors (2182271339360).

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

1200100300000 is an frugal number, since it uses more digits than its factorization.

1200100300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752 (or 3724 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 1200100300000 its reverse (30010021), we get a palindrome (1200130310021).

The spelling of 1200100300000 in words is "one trillion, two hundred billion, one hundred million, three hundred thousand".