1002021212212 has 12 divisors (see below), whose sum is σ = 1753745216580. Its totient is φ = 500951150336.

The previous prime is 1002021212207. The next prime is 1002021212237. The reversal of 1002021212212 is 2122121202001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 383401209636 + 618620002576 = 619194^2 + 786524^2 .

It is a congruent number.

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, 14826013 + ... + 14893444.

It is an arithmetic number, because the mean of its divisors is an integer number (146145434715).

Almost surely, 2^{1002021212212} is an apocalyptic number.

It is an amenable number.

1002021212212 is a deficient number, since it is larger than the sum of its proper divisors (751724004368).

1002021212212 is a wasteful number, since it uses less digits than its factorization.

1002021212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29727890 (or 29727888 counting only the distinct ones).

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

Adding to 1002021212212 its reverse (2122121202001), we get a palindrome (3124142414213).

The spelling of 1002021212212 in words is "one trillion, two billion, twenty-one million, two hundred twelve thousand, two hundred twelve".