12328645028031 has 12 divisors (see below), whose sum is σ = 18582305549808. Its totient is φ = 7861744655424.

The previous prime is 12328645028003. The next prime is 12328645028093. The reversal of 12328645028031 is 13082054682321.

12328645028031 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 8 + 64 + 502 + 80 + 3 + 1 = 666.

It is not a de Polignac number, because 12328645028031 - 2¹³ = 12328645019839 is a prime.

It is a super-2 number, since 2×12328645028031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12328645028731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29779335610 + ... + 29779336023.

It is an arithmetic number, because the mean of its divisors is an integer number (1548525462484).

Almost surely, 2^{12328645028031} is an apocalyptic number.

12328645028031 is a deficient number, since it is larger than the sum of its proper divisors (6253660521777).

12328645028031 is a wasteful number, since it uses less digits than its factorization.

12328645028031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59558671662 (or 59558671659 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 12328645028031 in words is "twelve trillion, three hundred twenty-eight billion, six hundred forty-five million, twenty-eight thousand, thirty-one".