1254703321872 has 240 divisors, whose sum is σ = 4714643326848. Its totient is φ = 300827934720.

The previous prime is 1254703321871. The next prime is 1254703321891. The reversal of 1254703321872 is 2781233074521.

1254703321872 is a `hidden beast` number, since 1 + 2 + 547 + 0 + 3 + 3 + 21 + 87 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1254703321871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4208113 + ... + 4496400.

Almost surely, 2^{1254703321872} is an apocalyptic number.

1254703321872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1254703321872 is an abundant number, since it is smaller than the sum of its proper divisors (3459940004976).

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

1254703321872 is a wasteful number, since it uses less digits than its factorization.

1254703321872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8704558 (or 8704549 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 1254703321872 in words is "one trillion, two hundred fifty-four billion, seven hundred three million, three hundred twenty-one thousand, eight hundred seventy-two".