1201720344627 has 32 divisors (see below), whose sum is σ = 1780284844800. Its totient is φ = 714957160320.

The previous prime is 1201720344613. The next prime is 1201720344631. The reversal of 1201720344627 is 7264430271021.

It is not a de Polignac number, because 1201720344627 - 2⁸ = 1201720344371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201720344607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 967252 + ... + 1827297.

It is an arithmetic number, because the mean of its divisors is an integer number (55633901400).

Almost surely, 2^{1201720344627} is an apocalyptic number.

1201720344627 is a deficient number, since it is larger than the sum of its proper divisors (578564500173).

1201720344627 is a wasteful number, since it uses less digits than its factorization.

1201720344627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794803.

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 1201720344627 in words is "one trillion, two hundred one billion, seven hundred twenty million, three hundred forty-four thousand, six hundred twenty-seven".