12620106431603 has 32 divisors (see below), whose sum is σ = 14592076620480. Its totient is φ = 10786964520960.

The previous prime is 12620106431599. The next prime is 12620106431609. The reversal of 12620106431603 is 30613460102621.

It is a cyclic number.

It is not a de Polignac number, because 12620106431603 - 2² = 12620106431599 is a prime.

It is a super-2 number, since 2×12620106431603² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12620106431609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 855419075 + ... + 855433827.

It is an arithmetic number, because the mean of its divisors is an integer number (456002394390).

Almost surely, 2^{12620106431603} is an apocalyptic number.

12620106431603 is a deficient number, since it is larger than the sum of its proper divisors (1971970188877).

12620106431603 is a wasteful number, since it uses less digits than its factorization.

12620106431603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19127.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 12620106431603 in words is "twelve trillion, six hundred twenty billion, one hundred six million, four hundred thirty-one thousand, six hundred three".