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124215224041213 is a prime number
BaseRepresentation
bin11100001111100100011100…
…010011011111111011111101
3121021210212012112110211211021
4130033210130103133323331
5112240120234323304323
61120103404113024141
735110153022311144
oct3417443423377375
9537725175424737
10124215224041213
1136640420761518
1211b218ab255051
1354405a3614586
14229609835475b
15e561ca3a205d
hex70f91c4dfefd

124215224041213 has 2 divisors, whose sum is σ = 124215224041214. Its totient is φ = 124215224041212.

The previous prime is 124215224041211. The next prime is 124215224041219. The reversal of 124215224041213 is 312140422512421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72427367722329 + 51787856318884 = 8510427^2 + 7196378^2 .

It is a cyclic number.

It is not a de Polignac number, because 124215224041213 - 21 = 124215224041211 is a prime.

It is a super-2 number, since 2×1242152240412132 (a number of 29 digits) contains 22 as substring.

Together with 124215224041211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124215224041211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62107612020606 + 62107612020607.

It is an arithmetic number, because the mean of its divisors is an integer number (62107612020607).

Almost surely, 2124215224041213 is an apocalyptic number.

It is an amenable number.

124215224041213 is a deficient number, since it is larger than the sum of its proper divisors (1).

124215224041213 is an equidigital number, since it uses as much as digits as its factorization.

124215224041213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 34.

Adding to 124215224041213 its reverse (312140422512421), we get a palindrome (436355646553634).

The spelling of 124215224041213 in words is "one hundred twenty-four trillion, two hundred fifteen billion, two hundred twenty-four million, forty-one thousand, two hundred thirteen".