12614067521345 has 4 divisors (see below), whose sum is σ = 15136881025620. Its totient is φ = 10091254017072.

The previous prime is 12614067521239. The next prime is 12614067521347. The reversal of 12614067521345 is 54312576041621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4383801625009 + 8230265896336 = 2093753^2 + 2868844^2 .

It is a cyclic number.

It is not a de Polignac number, because 12614067521345 - 2¹⁸ = 12614067259201 is a prime.

It is a super-2 number, since 2×12614067521345² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12614067521345.

It is not an unprimeable number, because it can be changed into a prime (12614067521347) 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, 1261406752130 + ... + 1261406752139.

It is an arithmetic number, because the mean of its divisors is an integer number (3784220256405).

Almost surely, 2^{12614067521345} is an apocalyptic number.

It is an amenable number.

12614067521345 is a deficient number, since it is larger than the sum of its proper divisors (2522813504275).

12614067521345 is an equidigital number, since it uses as much as digits as its factorization.

12614067521345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522813504274.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 12614067521345 in words is "twelve trillion, six hundred fourteen billion, sixty-seven million, five hundred twenty-one thousand, three hundred forty-five".