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12012102120000 = 26354112389137
BaseRepresentation
bin1010111011001100100100…
…0101000111001001000000
31120112100100001100111110010
42232303021011013021000
53033301241120320000
641314141124304520
72346563042231133
oct256631105071100
946470301314403
1012012102120000
113911338545774
121420038842140
13691975a5ab38
142d7562dc021a
1515c6e0613d50
hexaecc9147240

12012102120000 has 280 divisors, whose sum is σ = 39750623303776. Its totient is φ = 3200338944000.

The previous prime is 12012102119993. The next prime is 12012102120019. The reversal of 12012102120000 is 2120121021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 134715432 + ... + 134804568.

Almost surely, 212012102120000 is an apocalyptic number.

12012102120000 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 12012102120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19875311651888).

12012102120000 is an abundant number, since it is smaller than the sum of its proper divisors (27738521183776).

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

12012102120000 is an equidigital number, since it uses as much as digits as its factorization.

12012102120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90295 (or 90270 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12012102120000 its reverse (2120121021), we get a palindrome (12014222241021).

It can be divided in two parts, 120121021 and 20000, that added together give a palindrome (120141021).

The spelling of 12012102120000 in words is "twelve trillion, twelve billion, one hundred two million, one hundred twenty thousand".