33012141 has 8 divisors (see below), whose sum is σ = 44087424. Its totient is φ = 21972480.

The previous prime is 33012137. The next prime is 33012149. The reversal of 33012141 is 14121033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33012141 - 2² = 33012137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33012141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33012149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6661 + ... + 10506.

It is an arithmetic number, because the mean of its divisors is an integer number (5510928).

Almost surely, 2^33012141 is an apocalyptic number.

It is an amenable number.

33012141 is a deficient number, since it is larger than the sum of its proper divisors (11075283).

33012141 is a wasteful number, since it uses less digits than its factorization.

33012141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17811.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 33012141 is about 5745.6192877705. The cubic root of 33012141 is about 320.7927642112.

Adding to 33012141 its reverse (14121033), we get a palindrome (47133174).

It can be divided in two parts, 33012 and 141, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 33012141 in words is "thirty-three million, twelve thousand, one hundred forty-one".