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12201220002023 = 13938555384771
BaseRepresentation
bin1011000110001101000101…
…1000100101000011100111
31121012102111000000022102222
42301203101120211003213
53044401044310031043
641541055121022555
72366336414552513
oct261432130450347
947172430008388
1012201220002023
113984565673638
121450817a84a5b
136a67546b7540
14302783b19143
151625ad531d68
hexb18d16250e7

12201220002023 has 4 divisors (see below), whose sum is σ = 13139775386808. Its totient is φ = 11262664617240.

The previous prime is 12201220001989. The next prime is 12201220002043. The reversal of 12201220002023 is 32020002210221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12201220002023 - 26 = 12201220001959 is a prime.

It is a super-2 number, since 2×122012200020232 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12201220001992 and 12201220002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201220002043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469277692373 + ... + 469277692398.

It is an arithmetic number, because the mean of its divisors is an integer number (3284943846702).

Almost surely, 212201220002023 is an apocalyptic number.

12201220002023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12201220002023 is a deficient number, since it is larger than the sum of its proper divisors (938555384785).

12201220002023 is an equidigital number, since it uses as much as digits as its factorization.

12201220002023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938555384784.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12201220002023 its reverse (32020002210221), we get a palindrome (44221222212244).

The spelling of 12201220002023 in words is "twelve trillion, two hundred one billion, two hundred twenty million, two thousand, twenty-three".

Divisors: 1 13 938555384771 12201220002023