1012423443020 has 48 divisors (see below), whose sum is σ = 2320482463488. Its totient is φ = 367977408960.

The previous prime is 1012423443013. The next prime is 1012423443029. The reversal of 1012423443020 is 203443242101.

1012423443020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1012423443029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643382 + ... + 1561661.

It is an arithmetic number, because the mean of its divisors is an integer number (48343384656).

Almost surely, 2^{1012423443020} is an apocalyptic number.

1012423443020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012423443020 is an abundant number, since it is smaller than the sum of its proper divisors (1308059020468).

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

1012423443020 is a wasteful number, since it uses less digits than its factorization.

1012423443020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207150 (or 2207148 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1012423443020 its reverse (203443242101), we get a palindrome (1215866685121).

The spelling of 1012423443020 in words is "one trillion, twelve billion, four hundred twenty-three million, four hundred forty-three thousand, twenty".