3001213121 has 16 divisors (see below), whose sum is σ = 3189352320. Its totient is φ = 2818020480.

The previous prime is 3001213109. The next prime is 3001213141. The reversal of 3001213121 is 1213121003.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3001213121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3001213096 and 3001213105.

It is not an unprimeable number, because it can be changed into a prime (3001213141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1400711 + ... + 1402851.

It is an arithmetic number, because the mean of its divisors is an integer number (199334520).

Almost surely, 2^3001213121 is an apocalyptic number.

It is an amenable number.

3001213121 is a deficient number, since it is larger than the sum of its proper divisors (188139199).

3001213121 is a wasteful number, since it uses less digits than its factorization.

3001213121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3001213121 is about 54783.3288601560. The cubic root of 3001213121 is about 1442.4439466919.

Adding to 3001213121 its reverse (1213121003), we get a palindrome (4214334124).

The spelling of 3001213121 in words is "three billion, one million, two hundred thirteen thousand, one hundred twenty-one".