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1222123404203 = 13711324077361
BaseRepresentation
bin10001110010001100001…
…110110011101110101011
311022211111212210111012022
4101302030032303232223
5130010402042413303
62333234041535055
7154203233351522
oct21621416635653
94284455714168
101222123404203
1143133288a119
12178a327a448b
138b326b86220
144321882d4b9
1521bcc093438
hex11c8c3b3bab

1222123404203 has 8 divisors (see below), whose sum is σ = 1334669980896. Its totient is φ = 1112224982400.

The previous prime is 1222123404197. The next prime is 1222123404217. The reversal of 1222123404203 is 3024043212221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1222123404203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222123404223) 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, 662037758 + ... + 662039603.

It is an arithmetic number, because the mean of its divisors is an integer number (166833747612).

Almost surely, 21222123404203 is an apocalyptic number.

1222123404203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1222123404203 is a deficient number, since it is larger than the sum of its proper divisors (112546576693).

1222123404203 is a wasteful number, since it uses less digits than its factorization.

1222123404203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324077445.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1222123404203 its reverse (3024043212221), we get a palindrome (4246166616424).

The spelling of 1222123404203 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-three million, four hundred four thousand, two hundred three".

Divisors: 1 13 71 923 1324077361 17213005693 94009492631 1222123404203