1020032405012 has 24 divisors (see below), whose sum is σ = 1811741168832. Its totient is φ = 502409304000.

The previous prime is 1020032404987. The next prime is 1020032405033. The reversal of 1020032405012 is 2105042300201.

It is a super-2 number, since 2×1020032405012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1916864 + ... + 2390487.

It is an arithmetic number, because the mean of its divisors is an integer number (75489215368).

Almost surely, 2^{1020032405012} is an apocalyptic number.

It is an amenable number.

1020032405012 is a deficient number, since it is larger than the sum of its proper divisors (791708763820).

1020032405012 is a wasteful number, since it uses less digits than its factorization.

1020032405012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308239 (or 4308237 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 1020032405012 its reverse (2105042300201), we get a palindrome (3125074705213).

The spelling of 1020032405012 in words is "one trillion, twenty billion, thirty-two million, four hundred five thousand, twelve".