1228077743288 has 32 divisors (see below), whose sum is σ = 2512073556720. Its totient is φ = 558195744000.

The previous prime is 1228077743279. The next prime is 1228077743323. The reversal of 1228077743288 is 8823477708221.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2164418 + ... + 2672238.

Almost surely, 2^{1228077743288} is an apocalyptic number.

It is an amenable number.

1228077743288 is an abundant number, since it is smaller than the sum of its proper divisors (1283995813432).

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

1228077743288 is a wasteful number, since it uses less digits than its factorization.

1228077743288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535319 (or 535315 counting only the distinct ones).

The product of its (nonzero) digits is 16859136, while the sum is 59.

The spelling of 1228077743288 in words is "one trillion, two hundred twenty-eight billion, seventy-seven million, seven hundred forty-three thousand, two hundred eighty-eight".