1277460475212 has 48 divisors (see below), whose sum is σ = 3156433533792. Its totient is φ = 400726871040.

The previous prime is 1277460475171. The next prime is 1277460475223. The reversal of 1277460475212 is 2125740647721.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1491262 + ... + 2186042.

It is an arithmetic number, because the mean of its divisors is an integer number (65759031954).

Almost surely, 2^{1277460475212} is an apocalyptic number.

1277460475212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1277460475212 is an abundant number, since it is smaller than the sum of its proper divisors (1878973058580).

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

1277460475212 is a wasteful number, since it uses less digits than its factorization.

1277460475212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703818 (or 703816 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The spelling of 1277460475212 in words is "one trillion, two hundred seventy-seven billion, four hundred sixty million, four hundred seventy-five thousand, two hundred twelve".