1012436521646 has 32 divisors (see below), whose sum is σ = 1741942008576. Its totient is φ = 436829536000.

The previous prime is 1012436521627. The next prime is 1012436521651. The reversal of 1012436521646 is 6461256342101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7570595 + ... + 7703166.

It is an arithmetic number, because the mean of its divisors is an integer number (54435687768).

Almost surely, 2^{1012436521646} is an apocalyptic number.

1012436521646 is a deficient number, since it is larger than the sum of its proper divisors (729505486930).

1012436521646 is a wasteful number, since it uses less digits than its factorization.

1012436521646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15273928.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 1012436521646 in words is "one trillion, twelve billion, four hundred thirty-six million, five hundred twenty-one thousand, six hundred forty-six".