1012202202020 has 24 divisors (see below), whose sum is σ = 2126239644984. Its totient is φ = 404763734016.

The previous prime is 1012202201977. The next prime is 1012202202031. The reversal of 1012202202020 is 202022022101.

It can be written as a sum of positive squares in 4 ways, for example, as 16090415104 + 996111786916 = 126848^2 + 998054^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1012202201986 and 1012202202004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7250807 + ... + 7389086.

It is an arithmetic number, because the mean of its divisors is an integer number (88593318541).

Almost surely, 2^{1012202202020} is an apocalyptic number.

1012202202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012202202020 is an abundant number, since it is smaller than the sum of its proper divisors (1114037442964).

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

1012202202020 is a wasteful number, since it uses less digits than its factorization.

1012202202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14643359 (or 14643357 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1012202202020 its reverse (202022022101), we get a palindrome (1214224224121).

The spelling of 1012202202020 in words is "one trillion, twelve billion, two hundred two million, two hundred two thousand, twenty".