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13212412143301 = 721061254138609
BaseRepresentation
bin1100000001000100000100…
…1000011110011011000101
31201210002112201102102110001
43000101001020132123011
53212433010002041201
644033410502001301
72532364614131200
oct300210110363305
951702481372401
1013212412143301
114234397231968
1215947a2116231
1374ac04642987
143396ac76a937
1517da4263d301
hexc044121e6c5

13212412143301 has 12 divisors (see below), whose sum is σ = 15384026617740. Its totient is φ = 11314250828160.

The previous prime is 13212412143277. The next prime is 13212412143319. The reversal of 13212412143301 is 10334121421231.

It can be written as a sum of positive squares in 2 ways, for example, as 6496513978276 + 6715898165025 = 2548826^2 + 2591505^2 .

It is not a de Polignac number, because 13212412143301 - 215 = 13212412110533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13212412143301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212412143341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127017316 + ... + 127121293.

It is an arithmetic number, because the mean of its divisors is an integer number (1282002218145).

Almost surely, 213212412143301 is an apocalyptic number.

It is an amenable number.

13212412143301 is a deficient number, since it is larger than the sum of its proper divisors (2171614474439).

13212412143301 is a wasteful number, since it uses less digits than its factorization.

13212412143301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254139684 (or 254139677 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 13212412143301 its reverse (10334121421231), we get a palindrome (23546533564532).

The spelling of 13212412143301 in words is "thirteen trillion, two hundred twelve billion, four hundred twelve million, one hundred forty-three thousand, three hundred one".

Divisors: 1 7 49 1061 7427 51989 254138609 1778970263 12452791841 269641064149 1887487449043 13212412143301