1022011202212 has 144 divisors (see below), whose sum is σ = 2471046197760. Its totient is φ = 359735397120.

The previous prime is 1022011202209. The next prime is 1022011202287. The reversal of 1022011202212 is 2122021102201.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1823214 + ... + 2316922.

It is an arithmetic number, because the mean of its divisors is an integer number (17160043040).

Almost surely, 2^{1022011202212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022011202212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1235523098880).

1022011202212 is an abundant number, since it is smaller than the sum of its proper divisors (1449034995548).

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

1022011202212 is a wasteful number, since it uses less digits than its factorization.

1022011202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493802 (or 493789 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1022011202212 its reverse (2122021102201), we get a palindrome (3144032304413).

The spelling of 1022011202212 in words is "one trillion, twenty-two billion, eleven million, two hundred two thousand, two hundred twelve".