1012120133020 has 48 divisors (see below), whose sum is σ = 2129406185088. Its totient is φ = 404095630400.

The previous prime is 1012120132997. The next prime is 1012120133027. The reversal of 1012120133020 is 203310212101.

It is a junction number, because it is equal to n+sod(n) for n = 1012120132985 and 1012120133003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012120133027) 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, 24279195 + ... + 24320845.

It is an arithmetic number, because the mean of its divisors is an integer number (44362628856).

Almost surely, 2^{1012120133020} is an apocalyptic number.

1012120133020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012120133020 is an abundant number, since it is smaller than the sum of its proper divisors (1117286052068).

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

1012120133020 is a wasteful number, since it uses less digits than its factorization.

1012120133020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43890 (or 43888 counting only the distinct ones).

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

Adding to 1012120133020 its reverse (203310212101), we get a palindrome (1215430345121).

The spelling of 1012120133020 in words is "one trillion, twelve billion, one hundred twenty million, one hundred thirty-three thousand, twenty".