12606103381 has 8 divisors (see below), whose sum is σ = 13465761624. Its totient is φ = 11759569920.

The previous prime is 12606103343. The next prime is 12606103387. The reversal of 12606103381 is 18330160621.

It can be written as a sum of positive squares in 4 ways, for example, as 1704864100 + 10901239281 = 41290^2 + 104409^2 .

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 12606103381 - 2¹³ = 12606095189 is a prime.

It is a super-2 number, since 2×12606103381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12606103387) 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, 3279210 + ... + 3283051.

It is an arithmetic number, because the mean of its divisors is an integer number (1683220203).

Almost surely, 2^12606103381 is an apocalyptic number.

It is an amenable number.

12606103381 is a deficient number, since it is larger than the sum of its proper divisors (859658243).

12606103381 is a wasteful number, since it uses less digits than its factorization.

12606103381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6562391.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 12606103381 in words is "twelve billion, six hundred six million, one hundred three thousand, three hundred eighty-one".