12613121031061 has 8 divisors (see below), whose sum is σ = 13277004698880. Its totient is φ = 11949240882528.

The previous prime is 12613121031011. The next prime is 12613121031103. The reversal of 12613121031061 is 16013012131621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12613121031061 - 2²⁷ = 12612986813333 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 (12613121031001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9802620 + ... + 11014426.

It is an arithmetic number, because the mean of its divisors is an integer number (1659625587360).

Almost surely, 2^{12613121031061} is an apocalyptic number.

It is an amenable number.

12613121031061 is a deficient number, since it is larger than the sum of its proper divisors (663883667819).

12613121031061 is a wasteful number, since it uses less digits than its factorization.

12613121031061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759643.

The product of its (nonzero) digits is 1296, while the sum is 28.

Adding to 12613121031061 its reverse (16013012131621), we get a palindrome (28626133162682).

The spelling of 12613121031061 in words is "twelve trillion, six hundred thirteen billion, one hundred twenty-one million, thirty-one thousand, sixty-one".