1021066412 has 12 divisors (see below), whose sum is σ = 1820581056. Its totient is φ = 500900400.

The previous prime is 1021066367. The next prime is 1021066421. The reversal of 1021066412 is 2146601201.

It is an unprimeable number.

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, 2407964 + ... + 2408387.

It is an arithmetic number, because the mean of its divisors is an integer number (151715088).

Almost surely, 2^1021066412 is an apocalyptic number.

It is an amenable number.

1021066412 is a deficient number, since it is larger than the sum of its proper divisors (799514644).

1021066412 is a wasteful number, since it uses less digits than its factorization.

1021066412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4816408 (or 4816406 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1021066412 is about 31954.1298113405. The cubic root of 1021066412 is about 1006.9733960462.

Adding to 1021066412 its reverse (2146601201), we get a palindrome (3167667613).

The spelling of 1021066412 in words is "one billion, twenty-one million, sixty-six thousand, four hundred twelve".