1267280113800 has 96 divisors (see below), whose sum is σ = 3928918845600. Its totient is φ = 337911214080.

The previous prime is 1267280113727. The next prime is 1267280113811. The reversal of 1267280113800 is 83110827621.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7093167 + ... + 7269633.

It is an arithmetic number, because the mean of its divisors is an integer number (40926237975).

Almost surely, 2^{1267280113800} is an apocalyptic number.

1267280113800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1267280113800 is an abundant number, since it is smaller than the sum of its proper divisors (2661638731800).

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

1267280113800 is a wasteful number, since it uses less digits than its factorization.

1267280113800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188455 (or 188446 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 1267280113800 in words is "one trillion, two hundred sixty-seven billion, two hundred eighty million, one hundred thirteen thousand, eight hundred".