171753310061212 has 24 divisors (see below), whose sum is σ = 327962137314672. Its totient is φ = 78053149612800.

The previous prime is 171753310061189. The next prime is 171753310061231. The reversal of 171753310061212 is 212160013357171.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413209383 + ... + 413624830.

It is an arithmetic number, because the mean of its divisors is an integer number (13665089054778).

Almost surely, 2^{171753310061212} is an apocalyptic number.

It is an amenable number.

171753310061212 is a deficient number, since it is larger than the sum of its proper divisors (156208827253460).

171753310061212 is a wasteful number, since it uses less digits than its factorization.

171753310061212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826838949 (or 826838947 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 40.

The spelling of 171753310061212 in words is "one hundred seventy-one trillion, seven hundred fifty-three billion, three hundred ten million, sixty-one thousand, two hundred twelve".