1912548549912 has 128 divisors (see below), whose sum is σ = 6419743464960. Its totient is φ = 458553093120.

The previous prime is 1912548549889. The next prime is 1912548549931. The reversal of 1912548549912 is 2199458452191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39780933 + ... + 39828980.

It is an arithmetic number, because the mean of its divisors is an integer number (50154245820).

Almost surely, 2^{1912548549912} is an apocalyptic number.

1912548549912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1912548549912 is an abundant number, since it is smaller than the sum of its proper divisors (4507194915048).

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

1912548549912 is a wasteful number, since it uses less digits than its factorization.

1912548549912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79609953 (or 79609949 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 60.

The spelling of 1912548549912 in words is "one trillion, nine hundred twelve billion, five hundred forty-eight million, five hundred forty-nine thousand, nine hundred twelve".