1012203322020 has 144 divisors (see below), whose sum is σ = 3427367815872. Its totient is φ = 239676030720.

The previous prime is 1012203321959. The next prime is 1012203322027. The reversal of 1012203322020 is 202233022101.

1012203322020 is a `hidden beast` number, since 10 + 122 + 0 + 332 + 202 + 0 = 666.

1012203322020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1012203321984 and 1012203322002.

It is not an unprimeable number, because it can be changed into a prime (1012203322027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5859207 + ... + 6029486.

It is an arithmetic number, because the mean of its divisors is an integer number (23801165388).

Almost surely, 2^{1012203322020} is an apocalyptic number.

1012203322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012203322020 is an abundant number, since it is smaller than the sum of its proper divisors (2415164493852).

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

1012203322020 is a wasteful number, since it uses less digits than its factorization.

1012203322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11888762 (or 11888757 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1012203322020 its reverse (202233022101), we get a palindrome (1214436344121).

The spelling of 1012203322020 in words is "one trillion, twelve billion, two hundred three million, three hundred twenty-two thousand, twenty".