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13212301301 = 19695384279
BaseRepresentation
bin11000100111000001…
…11011011111110101
31021002210021110002122
430103200323133311
5204024322120201
610023013245325
7645261464603
oct142340733765
937083243078
1013212301301
11566aaaa581
122688933845
131327375184
148d4a30873
15524ddae1b
hex31383b7f5

13212301301 has 4 divisors (see below), whose sum is σ = 13907685600. Its totient is φ = 12516917004.

The previous prime is 13212301279. The next prime is 13212301351. The reversal of 13212301301 is 10310321231.

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 13212301301 - 218 = 13212039157 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 13212301301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212301351) 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, 347692121 + ... + 347692158.

It is an arithmetic number, because the mean of its divisors is an integer number (3476921400).

Almost surely, 213212301301 is an apocalyptic number.

It is an amenable number.

13212301301 is a deficient number, since it is larger than the sum of its proper divisors (695384299).

13212301301 is an equidigital number, since it uses as much as digits as its factorization.

13212301301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695384298.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13212301301 its reverse (10310321231), we get a palindrome (23522622532).

The spelling of 13212301301 in words is "thirteen billion, two hundred twelve million, three hundred one thousand, three hundred one".

Divisors: 1 19 695384279 13212301301