1011278033812 has 24 divisors (see below), whose sum is σ = 1773590112000. Its totient is φ = 504538192896.

The previous prime is 1011278033789. The next prime is 1011278033813. The reversal of 1011278033812 is 2183308721101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011278033813) by changing a digit.

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, 34567263 + ... + 34596505.

It is an arithmetic number, because the mean of its divisors is an integer number (73899588000).

Almost surely, 2^{1011278033812} is an apocalyptic number.

It is an amenable number.

1011278033812 is a deficient number, since it is larger than the sum of its proper divisors (762312078188).

1011278033812 is a wasteful number, since it uses less digits than its factorization.

1011278033812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47775 (or 47773 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 1011278033812 in words is "one trillion, eleven billion, two hundred seventy-eight million, thirty-three thousand, eight hundred twelve".