1288711877122 has 16 divisors (see below), whose sum is σ = 1978704636480. Its totient is φ = 629153994672.

The previous prime is 1288711877113. The next prime is 1288711877213. The reversal of 1288711877122 is 2217781178821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2331297 + ... + 2830612.

It is an arithmetic number, because the mean of its divisors is an integer number (123669039780).

Almost surely, 2^{1288711877122} is an apocalyptic number.

1288711877122 is a deficient number, since it is larger than the sum of its proper divisors (689992759358).

1288711877122 is a wasteful number, since it uses less digits than its factorization.

1288711877122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5164857.

The product of its digits is 1404928, while the sum is 55.

The spelling of 1288711877122 in words is "one trillion, two hundred eighty-eight billion, seven hundred eleven million, eight hundred seventy-seven thousand, one hundred twenty-two".