1712066722121 has 16 divisors (see below), whose sum is σ = 1977503947776. Its totient is φ = 1451854043136.

The previous prime is 1712066722117. The next prime is 1712066722139. The reversal of 1712066722121 is 1212276602171.

It is a happy number.

It is not a de Polignac number, because 1712066722121 - 2² = 1712066722117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1712066722151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1531880 + ... + 2402246.

It is an arithmetic number, because the mean of its divisors is an integer number (123593996736).

Almost surely, 2^{1712066722121} is an apocalyptic number.

It is an amenable number.

1712066722121 is a deficient number, since it is larger than the sum of its proper divisors (265437225655).

1712066722121 is an equidigital number, since it uses as much as digits as its factorization.

1712066722121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873368.

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 1712066722121 in words is "one trillion, seven hundred twelve billion, sixty-six million, seven hundred twenty-two thousand, one hundred twenty-one".