12345031035 has 24 divisors (see below), whose sum is σ = 21895686384. Its totient is φ = 6430898880.

The previous prime is 12345031021. The next prime is 12345031043. The reversal of 12345031035 is 53013054321.

12345031035 is a `hidden beast` number, since 1 + 2 + 345 + 0 + 310 + 3 + 5 = 666.

It is not a de Polignac number, because 12345031035 - 2⁵ = 12345031003 is a prime.

It is a super-2 number, since 2×12345031035² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3187996 + ... + 3191865.

It is an arithmetic number, because the mean of its divisors is an integer number (912320266).

Almost surely, 2^12345031035 is an apocalyptic number.

12345031035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12345031035 is a deficient number, since it is larger than the sum of its proper divisors (9550655349).

12345031035 is a wasteful number, since it uses less digits than its factorization.

12345031035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379915 (or 6379912 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 12345031035 its reverse (53013054321), we get a palindrome (65358085356).

The spelling of 12345031035 in words is "twelve billion, three hundred forty-five million, thirty-one thousand, thirty-five".