1288235677042 has 16 divisors (see below), whose sum is σ = 2063469830400. Its totient is φ = 601845365520.

The previous prime is 1288235676979. The next prime is 1288235677049. The reversal of 1288235677042 is 2407765328821.

It is not an unprimeable number, because it can be changed into a prime (1288235677049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358239492 + ... + 358243087.

It is an arithmetic number, because the mean of its divisors is an integer number (128966864400).

Almost surely, 2^{1288235677042} is an apocalyptic number.

1288235677042 is a deficient number, since it is larger than the sum of its proper divisors (775234153358).

1288235677042 is a wasteful number, since it uses less digits than its factorization.

1288235677042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716482641.

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 1288235677042 in words is "one trillion, two hundred eighty-eight billion, two hundred thirty-five million, six hundred seventy-seven thousand, forty-two".