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12001311111441 = 331129046356037
BaseRepresentation
bin1010111010100100010111…
…1000101011100100010001
31120111022111000011110120110
42232221011320223210101
53033112141121031231
641305154243431533
72346031451201601
oct256510570534421
946438430143513
1012001311111441
113907800281283
121419b269855a9
13690946218282
142d6c1bb92c01
1515c2ad0a8046
hexaea45e2b911

12001311111441 has 8 divisors (see below), whose sum is σ = 16517933572864. Its totient is φ = 7742781362160.

The previous prime is 12001311111367. The next prime is 12001311111451. The reversal of 12001311111441 is 14411111310021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12001311111441 - 223 = 12001302722833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001311111451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64523177926 + ... + 64523178111.

It is an arithmetic number, because the mean of its divisors is an integer number (2064741696608).

Almost surely, 212001311111441 is an apocalyptic number.

It is an amenable number.

12001311111441 is a deficient number, since it is larger than the sum of its proper divisors (4516622461423).

12001311111441 is a wasteful number, since it uses less digits than its factorization.

12001311111441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129046356071.

The product of its (nonzero) digits is 96, while the sum is 21.

Adding to 12001311111441 its reverse (14411111310021), we get a palindrome (26412422421462).

The spelling of 12001311111441 in words is "twelve trillion, one billion, three hundred eleven million, one hundred eleven thousand, four hundred forty-one".

Divisors: 1 3 31 93 129046356037 387139068111 4000437037147 12001311111441