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12213203130301 = 19516259970851
BaseRepresentation
bin1011000110111001101110…
…1000100101011110111101
31121020120102010101022010211
42301232123220211132331
53100100120000132201
641550400145032421
72400242362506535
oct261563350453675
947216363338124
1012213203130301
113989654851238
121453001025711
136a79141c27a4
1430319d3c44c5
15162a6056d651
hexb1b9ba257bd

12213203130301 has 4 divisors (see below), whose sum is σ = 12219463103104. Its totient is φ = 12206943157500.

The previous prime is 12213203130281. The next prime is 12213203130329. The reversal of 12213203130301 is 10303130231221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12213203130301 - 221 = 12213201033149 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 (12213203130001) 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, 3129983475 + ... + 3129987376.

It is an arithmetic number, because the mean of its divisors is an integer number (3054865775776).

Almost surely, 212213203130301 is an apocalyptic number.

It is an amenable number.

12213203130301 is a deficient number, since it is larger than the sum of its proper divisors (6259972803).

12213203130301 is an equidigital number, since it uses as much as digits as its factorization.

12213203130301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6259972802.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12213203130301 its reverse (10303130231221), we get a palindrome (22516333361522).

The spelling of 12213203130301 in words is "twelve trillion, two hundred thirteen billion, two hundred three million, one hundred thirty thousand, three hundred one".

Divisors: 1 1951 6259970851 12213203130301