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1312304000000 = 21056711717
BaseRepresentation
bin10011000110001011011…
…010011110110000000000
311122110021201111102011212
4103012023122132300000
5133000044311000000
62442510353025252
7163545054644450
oct23061332366000
94573251442155
101312304000000
114665aa43a534
121923bbb55228
139699922a606
14477316dbd60
15242091e4c35
hex1318b69ec00

1312304000000 has 308 divisors, whose sum is σ = 3747881089008. Its totient is φ = 449894400000.

The previous prime is 1312303999999. The next prime is 1312304000009. The reversal of 1312304000000 is 4032131.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1312304000009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 111994142 + ... + 112005858.

Almost surely, 21312304000000 is an apocalyptic number.

1312304000000 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 1312304000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1873940544504).

1312304000000 is an abundant number, since it is smaller than the sum of its proper divisors (2435577089008).

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

1312304000000 is an frugal number, since it uses more digits than its factorization.

1312304000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11774 (or 11731 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1312304000000 its reverse (4032131), we get a palindrome (1312308032131).

The spelling of 1312304000000 in words is "one trillion, three hundred twelve billion, three hundred four million", and thus it is an aban number.