1021210012 has 6 divisors (see below), whose sum is σ = 1787117528. Its totient is φ = 510605004.

The previous prime is 1021210007. The next prime is 1021210013. The reversal of 1021210012 is 2100121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021210013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127651248 + ... + 127651255.

Almost surely, 2^1021210012 is an apocalyptic number.

It is an amenable number.

1021210012 is a deficient number, since it is larger than the sum of its proper divisors (765907516).

1021210012 is a wasteful number, since it uses less digits than its factorization.

1021210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255302507 (or 255302505 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1021210012 is about 31956.3767032497. The cubic root of 1021210012 is about 1007.0205998323.

Adding to 1021210012 its reverse (2100121201), we get a palindrome (3121331213).

The spelling of 1021210012 in words is "one billion, twenty-one million, two hundred ten thousand, twelve".