1235469784272 has 80 divisors (see below), whose sum is σ = 3360784896000. Its totient is φ = 390012008832.

The previous prime is 1235469784229. The next prime is 1235469784277. The reversal of 1235469784272 is 2724879645321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235469784277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2390379 + ... + 2860917.

It is an arithmetic number, because the mean of its divisors is an integer number (42009811200).

Almost surely, 2^{1235469784272} is an apocalyptic number.

1235469784272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1235469784272 is an abundant number, since it is smaller than the sum of its proper divisors (2125315111728).

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

1235469784272 is a wasteful number, since it uses less digits than its factorization.

1235469784272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473448 (or 473442 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 60.

The spelling of 1235469784272 in words is "one trillion, two hundred thirty-five billion, four hundred sixty-nine million, seven hundred eighty-four thousand, two hundred seventy-two".