1012110002020 has 36 divisors (see below), whose sum is σ = 2301502219380. Its totient is φ = 373702153344.

The previous prime is 1012110001993. The next prime is 1012110002039. The reversal of 1012110002020 is 202000112101.

It can be written as a sum of positive squares in 6 ways, for example, as 148593288484 + 863516713536 = 385478^2 + 929256^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1012110001988 and 1012110002006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149717035 + ... + 149723794.

It is an arithmetic number, because the mean of its divisors is an integer number (63930617205).

Almost surely, 2^{1012110002020} is an apocalyptic number.

1012110002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012110002020 is an abundant number, since it is smaller than the sum of its proper divisors (1289392217360).

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

1012110002020 is a wasteful number, since it uses less digits than its factorization.

1012110002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299440864 (or 299440849 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1012110002020 its reverse (202000112101), we get a palindrome (1214110114121).

The spelling of 1012110002020 in words is "one trillion, twelve billion, one hundred ten million, two thousand, twenty".