1197708612828 has 144 divisors (see below), whose sum is σ = 3640497880320. Its totient is φ = 299253906432.

The previous prime is 1197708612823. The next prime is 1197708612869. The reversal of 1197708612828 is 8282168077911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197708612823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1950525 + ... + 2489972.

It is an arithmetic number, because the mean of its divisors is an integer number (25281235280).

Almost surely, 2^{1197708612828} is an apocalyptic number.

It is an amenable number.

1197708612828 is an abundant number, since it is smaller than the sum of its proper divisors (2442789267492).

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

1197708612828 is a wasteful number, since it uses less digits than its factorization.

1197708612828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4440556 (or 4440541 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 60.

The spelling of 1197708612828 in words is "one trillion, one hundred ninety-seven billion, seven hundred eight million, six hundred twelve thousand, eight hundred twenty-eight".