1012222202020 has 24 divisors (see below), whose sum is σ = 2157392994624. Its totient is φ = 398845762656.

The previous prime is 1012222202009. The next prime is 1012222202063. The reversal of 1012222202020 is 202022222101.

It is a junction number, because it is equal to n+sod(n) for n = 1012222201985 and 1012222202003.

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, 377693512 + ... + 377696191.

It is an arithmetic number, because the mean of its divisors is an integer number (89891374776).

Almost surely, 2^{1012222202020} is an apocalyptic number.

1012222202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012222202020 is an abundant number, since it is smaller than the sum of its proper divisors (1145170792604).

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

1012222202020 is a wasteful number, since it uses less digits than its factorization.

1012222202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755389779 (or 755389777 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1012222202020 its reverse (202022222101), we get a palindrome (1214244424121).

The spelling of 1012222202020 in words is "one trillion, twelve billion, two hundred twenty-two million, two hundred two thousand, twenty".