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12444402214211 = 1121011018280191
BaseRepresentation
bin1011010100010111000000…
…1011000110010101000011
31122001200011210020122220112
42311011300023012111003
53112342113431323321
642244513543501535
72423035613344052
oct265056013062503
948050153218815
1012444402214211
113a68706696a00
12148b9851578ab
136c366b13a256
14310452c82399
15168a92a25a5b
hexb51702c6543

12444402214211 has 12 divisors (see below), whose sum is σ = 13813989084672. Its totient is φ = 11201082090000.

The previous prime is 12444402214207. The next prime is 12444402214253. The reversal of 12444402214211 is 11241220444421.

It is a happy number.

It is not a de Polignac number, because 12444402214211 - 22 = 12444402214207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12444402214511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 509127875 + ... + 509152316.

It is an arithmetic number, because the mean of its divisors is an integer number (1151165757056).

Almost surely, 212444402214211 is an apocalyptic number.

12444402214211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12444402214211 is a deficient number, since it is larger than the sum of its proper divisors (1369586870461).

12444402214211 is a wasteful number, since it uses less digits than its factorization.

12444402214211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018280314 (or 1018280303 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

Adding to 12444402214211 its reverse (11241220444421), we get a palindrome (23685622658632).

The spelling of 12444402214211 in words is "twelve trillion, four hundred forty-four billion, four hundred two million, two hundred fourteen thousand, two hundred eleven".

Divisors: 1 11 101 121 1111 12221 1018280191 11201082101 102846299291 123211903111 1131309292201 12444402214211