1272777755232 has 24 divisors (see below), whose sum is σ = 3341041607736. Its totient is φ = 424259251712.

The previous prime is 1272777755201. The next prime is 1272777755243. The reversal of 1272777755232 is 2325577772721.

It is a tau number, because it is divible by the number of its divisors (24).

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, 6629050713 + ... + 6629050904.

It is an arithmetic number, because the mean of its divisors is an integer number (139210066989).

Almost surely, 2^{1272777755232} is an apocalyptic number.

1272777755232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1272777755232 is an abundant number, since it is smaller than the sum of its proper divisors (2068263852504).

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

1272777755232 is a wasteful number, since it uses less digits than its factorization.

1272777755232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13258101630 (or 13258101622 counting only the distinct ones).

The product of its digits is 20168400, while the sum is 57.

The spelling of 1272777755232 in words is "one trillion, two hundred seventy-two billion, seven hundred seventy-seven million, seven hundred fifty-five thousand, two hundred thirty-two".