1021212101212 has 6 divisors (see below), whose sum is σ = 1787121177128. Its totient is φ = 510606050604.

The previous prime is 1021212101177. The next prime is 1021212101269. The reversal of 1021212101212 is 2121012121201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127651512648 + ... + 127651512655.

Almost surely, 2^{1021212101212} is an apocalyptic number.

It is an amenable number.

1021212101212 is a deficient number, since it is larger than the sum of its proper divisors (765909075916).

1021212101212 is a wasteful number, since it uses less digits than its factorization.

1021212101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255303025307 (or 255303025305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1021212101212 its reverse (2121012121201), we get a palindrome (3142224222413).

The spelling of 1021212101212 in words is "one trillion, twenty-one billion, two hundred twelve million, one hundred one thousand, two hundred twelve".