1201206775248 has 80 divisors (see below), whose sum is σ = 3448061869440. Its totient is φ = 400384429056.

The previous prime is 1201206775229. The next prime is 1201206775253. The reversal of 1201206775248 is 8425776021021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12685165 + ... + 12779507.

It is an arithmetic number, because the mean of its divisors is an integer number (43100773368).

Almost surely, 2^{1201206775248} is an apocalyptic number.

1201206775248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1201206775248 is an abundant number, since it is smaller than the sum of its proper divisors (2246855094192).

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

1201206775248 is a wasteful number, since it uses less digits than its factorization.

1201206775248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123833 (or 123821 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 1201206775248 in words is "one trillion, two hundred one billion, two hundred six million, seven hundred seventy-five thousand, two hundred forty-eight".