1021000212212 has 18 divisors (see below), whose sum is σ = 1790428460562. Its totient is φ = 509451377904.

The previous prime is 1021000212163. The next prime is 1021000212223. The reversal of 1021000212212 is 2122120001201.

It can be written as a sum of positive squares in only one way, i.e., 691884585616 + 329115626596 = 831796^2 + 573686^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 410558 + ... + 1486794.

It is an arithmetic number, because the mean of its divisors is an integer number (99468247809).

Almost surely, 2^{1021000212212} is an apocalyptic number.

It is an amenable number.

1021000212212 is a deficient number, since it is larger than the sum of its proper divisors (769428248350).

1021000212212 is an equidigital number, since it uses as much as digits as its factorization.

1021000212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077215 (or 1076726 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1021000212212 its reverse (2122120001201), we get a palindrome (3143120213413).

The spelling of 1021000212212 in words is "one trillion, twenty-one billion, two hundred twelve thousand, two hundred twelve".