1128551207412 has 12 divisors (see below), whose sum is σ = 2633286150656. Its totient is φ = 376183735800.

The previous prime is 1128551207353. The next prime is 1128551207473. The reversal of 1128551207412 is 2147021558211.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 47022966964 + ... + 47022966987.

Almost surely, 2^{1128551207412} is an apocalyptic number.

1128551207412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1128551207412 is an abundant number, since it is smaller than the sum of its proper divisors (1504734943244).

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

1128551207412 is a wasteful number, since it uses less digits than its factorization.

1128551207412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94045933958 (or 94045933956 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 39.

The spelling of 1128551207412 in words is "one trillion, one hundred twenty-eight billion, five hundred fifty-one million, two hundred seven thousand, four hundred twelve".