1002212322212 has 12 divisors (see below), whose sum is σ = 1771952714700. Its totient is φ = 495940118016.

The previous prime is 1002212322173. The next prime is 1002212322217. The reversal of 1002212322212 is 2122232122001.

It can be written as a sum of positive squares in 2 ways, for example, as 385459689316 + 616752632896 = 620854^2 + 785336^2 .

It is not an unprimeable number, because it can be changed into a prime (1002212322217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1291510337 + ... + 1291511112.

It is an arithmetic number, because the mean of its divisors is an integer number (147662726225).

Almost surely, 2^{1002212322212} is an apocalyptic number.

It is an amenable number.

1002212322212 is a deficient number, since it is larger than the sum of its proper divisors (769740392488).

1002212322212 is a wasteful number, since it uses less digits than its factorization.

1002212322212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583021550 (or 2583021548 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1002212322212 its reverse (2122232122001), we get a palindrome (3124444444213).

The spelling of 1002212322212 in words is "one trillion, two billion, two hundred twelve million, three hundred twenty-two thousand, two hundred twelve".