1012321013020 has 24 divisors (see below), whose sum is σ = 2175313062384. Its totient is φ = 395511465216.

The previous prime is 1012321012993. The next prime is 1012321013021. The reversal of 1012321013020 is 203101232101.

1012321013020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1012321012985 and 1012321013003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012321013021) 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, 588557869 + ... + 588559588.

It is an arithmetic number, because the mean of its divisors is an integer number (90638044266).

Almost surely, 2^{1012321013020} is an apocalyptic number.

1012321013020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012321013020 is an abundant number, since it is smaller than the sum of its proper divisors (1162992049364).

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

1012321013020 is a wasteful number, since it uses less digits than its factorization.

1012321013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177117509 (or 1177117507 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1012321013020 its reverse (203101232101), we get a palindrome (1215422245121).

The spelling of 1012321013020 in words is "one trillion, twelve billion, three hundred twenty-one million, thirteen thousand, twenty".