1021222002212 has 12 divisors (see below), whose sum is σ = 1813812213360. Its totient is φ = 502989941256.

The previous prime is 1021222002187. The next prime is 1021222002221. The reversal of 1021222002212 is 2122002221201.

It is a happy number.

1021222002212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1021222002212² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1905264662 + ... + 1905265197.

It is an arithmetic number, because the mean of its divisors is an integer number (151151017780).

Almost surely, 2^{1021222002212} is an apocalyptic number.

It is an amenable number.

1021222002212 is a deficient number, since it is larger than the sum of its proper divisors (792590211148).

1021222002212 is a wasteful number, since it uses less digits than its factorization.

1021222002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810529930 (or 3810529928 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1021222002212 its reverse (2122002221201), we get a palindrome (3143224223413).

The spelling of 1021222002212 in words is "one trillion, twenty-one billion, two hundred twenty-two million, two thousand, two hundred twelve".