12020504005032 has 32 divisors (see below), whose sum is σ = 31632905277600. Its totient is φ = 3795948633024.

The previous prime is 12020504005031. The next prime is 12020504005057. The reversal of 12020504005032 is 23050040502021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 12020504004993 and 12020504005011.

It is not an unprimeable number, because it can be changed into a prime (12020504005031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13180376743 + ... + 13180377654.

It is an arithmetic number, because the mean of its divisors is an integer number (988528289925).

Almost surely, 2^{12020504005032} is an apocalyptic number.

12020504005032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12020504005032 is an abundant number, since it is smaller than the sum of its proper divisors (19612401272568).

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

12020504005032 is a wasteful number, since it uses less digits than its factorization.

12020504005032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26360754425 (or 26360754421 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 12020504005032 its reverse (23050040502021), we get a palindrome (35070544507053).

The spelling of 12020504005032 in words is "twelve trillion, twenty billion, five hundred four million, five thousand, thirty-two".