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130122001223 = 971031340041
BaseRepresentation
bin111100100101111100…
…0000010101101000111
3110102212102111112211122
41321023320002231013
54112442213014343
6135435514024155
712254354522024
oct1711370025507
9412772445748
10130122001223
1150203528495
122127571805b
13c36924c5c6
14642578654b
1535b8912068
hex1e4be02b47

130122001223 has 4 divisors (see below), whose sum is σ = 130123438368. Its totient is φ = 130120564080.

The previous prime is 130122001213. The next prime is 130122001301. The reversal of 130122001223 is 322100221031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322100221031 = 1243432590417.

It is a cyclic number.

It is not a de Polignac number, because 130122001223 - 26 = 130122001159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130122001213) 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 3 ways as a sum of consecutive naturals, for example, 572918 + ... + 767123.

It is an arithmetic number, because the mean of its divisors is an integer number (32530859592).

Almost surely, 2130122001223 is an apocalyptic number.

130122001223 is a deficient number, since it is larger than the sum of its proper divisors (1437145).

130122001223 is an equidigital number, since it uses as much as digits as its factorization.

130122001223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437144.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 130122001223 its reverse (322100221031), we get a palindrome (452222222254).

The spelling of 130122001223 in words is "one hundred thirty billion, one hundred twenty-two million, one thousand, two hundred twenty-three".

Divisors: 1 97103 1340041 130122001223