12345045034 has 16 divisors (see below), whose sum is σ = 21562236288. Its totient is φ = 5190908112.

The previous prime is 12345044993. The next prime is 12345045043. The reversal of 12345045034 is 43054054321.

It is a super-2 number, since 2×12345045034² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12345044987 and 12345045005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8318022 + ... + 8319505.

It is an arithmetic number, because the mean of its divisors is an integer number (1347639768).

Almost surely, 2^12345045034 is an apocalyptic number.

12345045034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12345045034 is a deficient number, since it is larger than the sum of its proper divisors (9217191254).

12345045034 is a wasteful number, since it uses less digits than its factorization.

12345045034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16637589.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 12345045034 its reverse (43054054321), we get a palindrome (55399099355).

The spelling of 12345045034 in words is "twelve billion, three hundred forty-five million, forty-five thousand, thirty-four".