1012220202 has 64 divisors (see below), whose sum is σ = 2418960384. Its totient is φ = 276091200.

The previous prime is 1012220191. The next prime is 1012220227. The reversal of 1012220202 is 2020222101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 962577 + ... + 963627.

It is an arithmetic number, because the mean of its divisors is an integer number (37796256).

Almost surely, 2^1012220202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012220202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209480192).

1012220202 is an abundant number, since it is smaller than the sum of its proper divisors (1406740182).

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

1012220202 is a wasteful number, since it uses less digits than its factorization.

1012220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1012220202 is about 31815.4082482058. The cubic root of 1012220202 is about 1004.0569198112.

Adding to 1012220202 its reverse (2020222101), we get a palindrome (3032442303).

The spelling of 1012220202 in words is "one billion, twelve million, two hundred twenty thousand, two hundred two".