1288242954252 has 36 divisors (see below), whose sum is σ = 3261230594440. Its totient is φ = 428776250112.

The previous prime is 1288242954203. The next prime is 1288242954259. The reversal of 1288242954252 is 2524592428821.

1288242954252 is a `hidden beast` number, since 1 + 2 + 8 + 8 + 2 + 42 + 9 + 542 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1288242954259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26561602 + ... + 26610057.

Almost surely, 2^{1288242954252} is an apocalyptic number.

1288242954252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1288242954252 is an abundant number, since it is smaller than the sum of its proper divisors (1972987640188).

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

1288242954252 is a wasteful number, since it uses less digits than its factorization.

1288242954252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53172342 (or 53172337 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 54.

The spelling of 1288242954252 in words is "one trillion, two hundred eighty-eight billion, two hundred forty-two million, nine hundred fifty-four thousand, two hundred fifty-two".