1296288229628 has 24 divisors (see below), whose sum is σ = 2592608532192. Its totient is φ = 555545225664.

The previous prime is 1296288229619. The next prime is 1296288229667. The reversal of 1296288229628 is 8269228826921.

It is a congruent number.

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, 2489450 + ... + 2964782.

It is an arithmetic number, because the mean of its divisors is an integer number (108025355508).

Almost surely, 2^{1296288229628} is an apocalyptic number.

It is an amenable number.

1296288229628 is an abundant number, since it is smaller than the sum of its proper divisors (1296320302564).

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

1296288229628 is a wasteful number, since it uses less digits than its factorization.

1296288229628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572741 (or 572739 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 65.

The spelling of 1296288229628 in words is "one trillion, two hundred ninety-six billion, two hundred eighty-eight million, two hundred twenty-nine thousand, six hundred twenty-eight".