3012072161 has 8 divisors (see below), whose sum is σ = 3464295360. Its totient is φ = 2565330768.

The previous prime is 3012072137. The next prime is 3012072181. The reversal of 3012072161 is 1612702103.

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

It is a de Polignac number, because none of the positive numbers 2^k-3012072161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3012072131) 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, 1369271 + ... + 1371468.

It is an arithmetic number, because the mean of its divisors is an integer number (433036920).

Almost surely, 2^3012072161 is an apocalyptic number.

It is an amenable number.

3012072161 is a deficient number, since it is larger than the sum of its proper divisors (452223199).

3012072161 is a wasteful number, since it uses less digits than its factorization.

3012072161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740903.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 3012072161 is about 54882.3483553683. The cubic root of 3012072161 is about 1444.1815443882.

Adding to 3012072161 its reverse (1612702103), we get a palindrome (4624774264).

The spelling of 3012072161 in words is "three billion, twelve million, seventy-two thousand, one hundred sixty-one".