1012103130020 has 24 divisors (see below), whose sum is σ = 2130613207800. Its totient is φ = 403851416832.

The previous prime is 1012103130011. The next prime is 1012103130079. The reversal of 1012103130020 is 200313012101.

It can be written as a sum of positive squares in 4 ways, for example, as 222336768676 + 789766361344 = 471526^2 + 888688^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1012103129977 and 1012103130004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61856315 + ... + 61872674.

It is an arithmetic number, because the mean of its divisors is an integer number (88775550325).

Almost surely, 2^{1012103130020} is an apocalyptic number.

1012103130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012103130020 is an abundant number, since it is smaller than the sum of its proper divisors (1118510077780).

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

1012103130020 is a wasteful number, since it uses less digits than its factorization.

1012103130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123729407 (or 123729405 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1012103130020 its reverse (200313012101), we get a palindrome (1212416142121).

The spelling of 1012103130020 in words is "one trillion, twelve billion, one hundred three million, one hundred thirty thousand, twenty".