12345622234450 has 12 divisors (see below), whose sum is σ = 22962857356170. Its totient is φ = 4938248893760.

The previous prime is 12345622234447. The next prime is 12345622234459. The reversal of 12345622234450 is 5443222654321.

It can be written as a sum of positive squares in 3 ways, for example, as 5739843265209 + 6605778969241 = 2395797^2 + 2570171^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12345622234397 and 12345622234406.

It is not an unprimeable number, because it can be changed into a prime (12345622234459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123456222295 + ... + 123456222394.

Almost surely, 2^{12345622234450} is an apocalyptic number.

12345622234450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12345622234450 is a deficient number, since it is larger than the sum of its proper divisors (10617235121720).

12345622234450 is a wasteful number, since it uses less digits than its factorization.

12345622234450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246912444701 (or 246912444696 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 43.

Adding to 12345622234450 its reverse (5443222654321), we get a palindrome (17788844888771).

The spelling of 12345622234450 in words is "twelve trillion, three hundred forty-five billion, six hundred twenty-two million, two hundred thirty-four thousand, four hundred fifty".