171302742412 has 6 divisors (see below), whose sum is σ = 299779799228. Its totient is φ = 85651371204.

The previous prime is 171302742329. The next prime is 171302742439. The reversal of 171302742412 is 214247203171.

It is a super-4 number, since 4×171302742412⁴ (a number of 46 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21412842798 + ... + 21412842805.

Almost surely, 2^171302742412 is an apocalyptic number.

It is an amenable number.

171302742412 is a deficient number, since it is larger than the sum of its proper divisors (128477056816).

171302742412 is a wasteful number, since it uses less digits than its factorization.

171302742412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42825685607 (or 42825685605 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

Adding to 171302742412 its reverse (214247203171), we get a palindrome (385549945583).

The spelling of 171302742412 in words is "one hundred seventy-one billion, three hundred two million, seven hundred forty-two thousand, four hundred twelve".