12522300004420 has 48 divisors (see below), whose sum is σ = 27009873773568. Its totient is φ = 4873125386880.

The previous prime is 12522300004399. The next prime is 12522300004427. The reversal of 12522300004420 is 2440000322521.

It is not an unprimeable number, because it can be changed into a prime (12522300004427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7969305 + ... + 9410335.

It is an arithmetic number, because the mean of its divisors is an integer number (562705703616).

Almost surely, 2^{12522300004420} is an apocalyptic number.

12522300004420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12522300004420 is an abundant number, since it is smaller than the sum of its proper divisors (14487573769148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12522300004420 is a wasteful number, since it uses less digits than its factorization.

12522300004420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452820 (or 1452818 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 12522300004420 its reverse (2440000322521), we get a palindrome (14962300326941).

The spelling of 12522300004420 in words is "twelve trillion, five hundred twenty-two billion, three hundred million, four thousand, four hundred twenty".