1225425023020 has 192 divisors, whose sum is σ = 2872557717120. Its totient is φ = 435400704000.

The previous prime is 1225425022993. The next prime is 1225425023083. The reversal of 1225425023020 is 203205245221.

It is a self number, because there is not a number n which added to its sum of digits gives 1225425023020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1097067502 + ... + 1097068618.

It is an arithmetic number, because the mean of its divisors is an integer number (14961238110).

Almost surely, 2^{1225425023020} is an apocalyptic number.

1225425023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225425023020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1436278858560).

1225425023020 is an abundant number, since it is smaller than the sum of its proper divisors (1647132694100).

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

1225425023020 is a wasteful number, since it uses less digits than its factorization.

1225425023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844 (or 1842 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 1225425023020 in words is "one trillion, two hundred twenty-five billion, four hundred twenty-five million, twenty-three thousand, twenty".