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12116188800 = 2732523141331
BaseRepresentation
bin10110100100010111…
…00101111010000000
31011021101202011102100
423102023211322000
5144303221020200
65322135550400
7606151622412
oct132213457200
934241664370
1012116188800
1151582aaa81
12242182b400
1311b1255ab1
1482d2249b2
154ada71d00
hex2d22e5e80

12116188800 has 576 divisors, whose sum is σ = 45854565120. Its totient is φ = 3041280000.

The previous prime is 12116188783. The next prime is 12116188801. The reversal of 12116188800 is 888161121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12116188801) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 36604635 + ... + 36604965.

It is an arithmetic number, because the mean of its divisors is an integer number (79608620).

Almost surely, 212116188800 is an apocalyptic number.

12116188800 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 12116188800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22927282560).

12116188800 is an abundant number, since it is smaller than the sum of its proper divisors (33738376320).

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

12116188800 is a wasteful number, since it uses less digits than its factorization.

12116188800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 36.

The spelling of 12116188800 in words is "twelve billion, one hundred sixteen million, one hundred eighty-eight thousand, eight hundred".