Search a number
-
+
12001401022000 = 24531317143918869
BaseRepresentation
bin1010111010100100101100…
…1111101010011000110000
31120111022201021100101200011
42232221023033222120300
53033112332130201000
641305211214504304
72346033622342525
oct256511317523060
946438637311604
1012001401022000
113907847001425
121419b50b05094
1369095ba385a0
142d6c29ab914c
1515c2b5e182ba
hexaea4b3ea630

12001401022000 has 320 divisors, whose sum is σ = 33114730521600. Its totient is φ = 4167503462400.

The previous prime is 12001401021941. The next prime is 12001401022021. The reversal of 12001401022000 is 22010410021.

It is a happy number.

12001401022000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 636028566 + ... + 636047434.

It is an arithmetic number, because the mean of its divisors is an integer number (103483532880).

Almost surely, 212001401022000 is an apocalyptic number.

12001401022000 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 12001401022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16557365260800).

12001401022000 is an abundant number, since it is smaller than the sum of its proper divisors (21113329499600).

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

12001401022000 is a wasteful number, since it uses less digits than its factorization.

12001401022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20361 (or 20345 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12001401022000 its reverse (22010410021), we get a palindrome (12023411432021).

The spelling of 12001401022000 in words is "twelve trillion, one billion, four hundred one million, twenty-two thousand".