1201273320624 has 80 divisors (see below), whose sum is σ = 3389074585344. Its totient is φ = 364416595200.

The previous prime is 1201273320581. The next prime is 1201273320629. The reversal of 1201273320624 is 4260233721021.

It is not an unprimeable number, because it can be changed into a prime (1201273320629) by changing a digit.

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, 13512862 + ... + 13601469.

Almost surely, 2^{1201273320624} is an apocalyptic number.

It is an amenable number.

1201273320624 is an abundant number, since it is smaller than the sum of its proper divisors (2187801264720).

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

1201273320624 is a wasteful number, since it uses less digits than its factorization.

1201273320624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27114426 (or 27114420 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 1201273320624 in words is "one trillion, two hundred one billion, two hundred seventy-three million, three hundred twenty thousand, six hundred twenty-four".