1002022022212 has 24 divisors (see below), whose sum is σ = 1816868949336. Its totient is φ = 483156269568.

The previous prime is 1002022022203. The next prime is 1002022022213. The reversal of 1002022022212 is 2122202202001.

It can be written as a sum of positive squares in 4 ways, for example, as 188951918596 + 813070103616 = 434686^2 + 901704^2 .

It is not an unprimeable number, because it can be changed into a prime (1002022022213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29940883 + ... + 29974330.

It is an arithmetic number, because the mean of its divisors is an integer number (75702872889).

Almost surely, 2^{1002022022212} is an apocalyptic number.

It is an amenable number.

1002022022212 is a deficient number, since it is larger than the sum of its proper divisors (814846927124).

1002022022212 is a wasteful number, since it uses less digits than its factorization.

1002022022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59915367 (or 59915365 counting only the distinct ones).

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

Adding to 1002022022212 its reverse (2122202202001), we get a palindrome (3124224224213).

The spelling of 1002022022212 in words is "one trillion, two billion, twenty-two million, twenty-two thousand, two hundred twelve".