12345622894450 has 24 divisors (see below), whose sum is σ = 22963347126720. Its totient is φ = 4938144094800.

The previous prime is 12345622894447. The next prime is 12345622894499. The reversal of 12345622894450 is 5449822654321.

It is a happy number.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12345622894391 and 12345622894400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231310 + ... + 4974409.

It is an arithmetic number, because the mean of its divisors is an integer number (956806130280).

Almost surely, 2^{12345622894450} is an apocalyptic number.

12345622894450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12345622894450 is a deficient number, since it is larger than the sum of its proper divisors (10617724232270).

12345622894450 is a wasteful number, since it uses less digits than its factorization.

12345622894450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5253162 (or 5253157 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 55.

The spelling of 12345622894450 in words is "twelve trillion, three hundred forty-five billion, six hundred twenty-two million, eight hundred ninety-four thousand, four hundred fifty".