1012123313020 has 24 divisors (see below), whose sum is σ = 2125821847968. Its totient is φ = 404780203200.

The previous prime is 1012123313009. The next prime is 1012123313027. The reversal of 1012123313020 is 203133212101.

1012123313020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012123313027) 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, 4199976 + ... + 4434415.

It is an arithmetic number, because the mean of its divisors is an integer number (88575910332).

Almost surely, 2^{1012123313020} is an apocalyptic number.

1012123313020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012123313020 is an abundant number, since it is smaller than the sum of its proper divisors (1113698534948).

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

1012123313020 is a wasteful number, since it uses less digits than its factorization.

1012123313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8640261 (or 8640259 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1012123313020 its reverse (203133212101), we get a palindrome (1215256525121).

The spelling of 1012123313020 in words is "one trillion, twelve billion, one hundred twenty-three million, three hundred thirteen thousand, twenty".