41172012 has 72 divisors (see below), whose sum is σ = 125216000. Its totient is φ = 11143008.

The previous prime is 41171987. The next prime is 41172049. The reversal of 41172012 is 21027114.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 489 + ... + 9087.

Almost surely, 2^41172012 is an apocalyptic number.

41172012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41172012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62608000).

41172012 is an abundant number, since it is smaller than the sum of its proper divisors (84043988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41172012 is a wasteful number, since it uses less digits than its factorization.

41172012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8635 (or 8630 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 41172012 is about 6416.5420593962. The cubic root of 41172012 is about 345.3032745991.

Adding to 41172012 its reverse (21027114), we get a palindrome (62199126).

The spelling of 41172012 in words is "forty-one million, one hundred seventy-two thousand, twelve".