1220433023125 has 40 divisors (see below), whose sum is σ = 1529753322240. Its totient is φ = 973341840000.

The previous prime is 1220433023111. The next prime is 1220433023153. The reversal of 1220433023125 is 5213203340221.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1220433023125 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220433023093 and 1220433023102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 572703310 + ... + 572705440.

It is an arithmetic number, because the mean of its divisors is an integer number (38243833056).

Almost surely, 2^{1220433023125} is an apocalyptic number.

It is an amenable number.

1220433023125 is a deficient number, since it is larger than the sum of its proper divisors (309320299115).

1220433023125 is an equidigital number, since it uses as much as digits as its factorization.

1220433023125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4543 (or 4528 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 1220433023125 its reverse (5213203340221), we get a palindrome (6433636363346).

The spelling of 1220433023125 in words is "one trillion, two hundred twenty billion, four hundred thirty-three million, twenty-three thousand, one hundred twenty-five".