1021214212 has 12 divisors (see below), whose sum is σ = 1787950080. Its totient is φ = 510371336.

The previous prime is 1021214177. The next prime is 1021214219. The reversal of 1021214212 is 2124121201.

It is not an unprimeable number, because it can be changed into a prime (1021214219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49012 + ... + 66667.

It is an arithmetic number, because the mean of its divisors is an integer number (148995840).

Almost surely, 2^1021214212 is an apocalyptic number.

It is an amenable number.

1021214212 is a deficient number, since it is larger than the sum of its proper divisors (766735868).

1021214212 is a wasteful number, since it uses less digits than its factorization.

1021214212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117890 (or 117888 counting only the distinct ones).

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

The square root of 1021214212 is about 31956.4424177661. The cubic root of 1021214212 is about 1007.0219803778.

Adding to 1021214212 its reverse (2124121201), we get a palindrome (3145335413).

The spelling of 1021214212 in words is "one billion, twenty-one million, two hundred fourteen thousand, two hundred twelve".