1220123132032 has 64 divisors (see below), whose sum is σ = 2813123116800. Its totient is φ = 516290770944.

The previous prime is 1220123132023. The next prime is 1220123132057. The reversal of 1220123132032 is 2302313210221.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1220123131994 and 1220123132012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8547853 + ... + 8689420.

It is an arithmetic number, because the mean of its divisors is an integer number (43955048700).

Almost surely, 2^{1220123132032} is an apocalyptic number.

It is an amenable number.

1220123132032 is an abundant number, since it is smaller than the sum of its proper divisors (1592999984768).

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

1220123132032 is an equidigital number, since it uses as much as digits as its factorization.

1220123132032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17237373 (or 17237361 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1220123132032 its reverse (2302313210221), we get a palindrome (3522436342253).

The spelling of 1220123132032 in words is "one trillion, two hundred twenty billion, one hundred twenty-three million, one hundred thirty-two thousand, thirty-two".