3012130221 has 8 divisors (see below), whose sum is σ = 4145727744. Its totient is φ = 1943309760.

The previous prime is 3012130201. The next prime is 3012130229. The reversal of 3012130221 is 1220312103.

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

It is not a de Polignac number, because 3012130221 - 2¹⁵ = 3012097453 is a prime.

It is a super-3 number, since 3×3012130221³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3012130221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012130229) 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, 16194156 + ... + 16194341.

It is an arithmetic number, because the mean of its divisors is an integer number (518215968).

Almost surely, 2^3012130221 is an apocalyptic number.

3012130221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3012130221 is a deficient number, since it is larger than the sum of its proper divisors (1133597523).

3012130221 is a wasteful number, since it uses less digits than its factorization.

3012130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32388531.

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

The square root of 3012130221 is about 54882.8773024884. The cubic root of 3012130221 is about 1444.1908235641.

Adding to 3012130221 its reverse (1220312103), we get a palindrome (4232442324).

The spelling of 3012130221 in words is "three billion, twelve million, one hundred thirty thousand, two hundred twenty-one".