1965512003412 has 48 divisors (see below), whose sum is σ = 4591860844032. Its totient is φ = 654361513440.

The previous prime is 1965512003353. The next prime is 1965512003447. The reversal of 1965512003412 is 2143002155691.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 63529587 + ... + 63560517.

It is an arithmetic number, because the mean of its divisors is an integer number (95663767584).

Almost surely, 2^{1965512003412} is an apocalyptic number.

1965512003412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1965512003412 is an abundant number, since it is smaller than the sum of its proper divisors (2626348840620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1965512003412 is a wasteful number, since it uses less digits than its factorization.

1965512003412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37308 (or 37306 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 1965512003412 in words is "one trillion, nine hundred sixty-five billion, five hundred twelve million, three thousand, four hundred twelve".