1273056551712 has 120 divisors (see below), whose sum is σ = 4084389861552. Its totient is φ = 385774704000.

The previous prime is 1273056551681. The next prime is 1273056551737. The reversal of 1273056551712 is 2171556503721.

1273056551712 is a `hidden beast` number, since 1 + 2 + 7 + 30 + 56 + 551 + 7 + 12 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22296414 + ... + 22353437.

Almost surely, 2^{1273056551712} is an apocalyptic number.

1273056551712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1273056551712 is an abundant number, since it is smaller than the sum of its proper divisors (2811333309840).

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

1273056551712 is a wasteful number, since it uses less digits than its factorization.

1273056551712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44649884 (or 44649867 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 45.

The spelling of 1273056551712 in words is "one trillion, two hundred seventy-three billion, fifty-six million, five hundred fifty-one thousand, seven hundred twelve".