1272522468240 has 120 divisors (see below), whose sum is σ = 4274248305600. Its totient is φ = 339284243712.

The previous prime is 1272522468199. The next prime is 1272522468241. The reversal of 1272522468240 is 428642252721.

1272522468240 is a `hidden beast` number, since 1 + 2 + 7 + 2 + 522 + 4 + 6 + 82 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1272522468241) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4394989 + ... + 4675571.

It is an arithmetic number, because the mean of its divisors is an integer number (35618735880).

Almost surely, 2^{1272522468240} is an apocalyptic number.

1272522468240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1272522468240 is an abundant number, since it is smaller than the sum of its proper divisors (3001725837360).

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

1272522468240 is a wasteful number, since it uses less digits than its factorization.

1272522468240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286901 (or 286892 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 1272522468240 in words is "one trillion, two hundred seventy-two billion, five hundred twenty-two million, four hundred sixty-eight thousand, two hundred forty".