12423205522250 has 64 divisors (see below), whose sum is σ = 23753229986304. Its totient is φ = 4863107304000.

The previous prime is 12423205522183. The next prime is 12423205522289. The reversal of 12423205522250 is 5222550232421.

It is a self number, because there is not a number n which added to its sum of digits gives 12423205522250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147314597 + ... + 147398903.

It is an arithmetic number, because the mean of its divisors is an integer number (371144218536).

Almost surely, 2^{12423205522250} is an apocalyptic number.

12423205522250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12423205522250 is a deficient number, since it is larger than the sum of its proper divisors (11330024464054).

12423205522250 is a wasteful number, since it uses less digits than its factorization.

12423205522250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96912 (or 96902 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 12423205522250 its reverse (5222550232421), we get a palindrome (17645755754671).

The spelling of 12423205522250 in words is "twelve trillion, four hundred twenty-three billion, two hundred five million, five hundred twenty-two thousand, two hundred fifty".