1712721230045 has 16 divisors (see below), whose sum is σ = 2398850892288. Its totient is φ = 1149449383680.

The previous prime is 1712721230023. The next prime is 1712721230089. The reversal of 1712721230045 is 5400321272171.

It is not a de Polignac number, because 1712721230045 - 2⁶ = 1712721229981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1712721229987 and 1712721230014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520582316 + ... + 520585605.

It is an arithmetic number, because the mean of its divisors is an integer number (149928180768).

Almost surely, 2^{1712721230045} is an apocalyptic number.

It is an amenable number.

1712721230045 is a deficient number, since it is larger than the sum of its proper divisors (686129662243).

1712721230045 is a wasteful number, since it uses less digits than its factorization.

1712721230045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041167980.

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 1712721230045 in words is "one trillion, seven hundred twelve billion, seven hundred twenty-one million, two hundred thirty thousand, forty-five".