3012412214221 has 4 divisors (see below), whose sum is σ = 3116288497500. Its totient is φ = 2908535930944.

The previous prime is 3012412214191. The next prime is 3012412214249. The reversal of 3012412214221 is 1224122142103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1204089236100 + 1808322978121 = 1097310^2 + 1344739^2 .

It is a cyclic number.

It is not a de Polignac number, because 3012412214221 - 2²⁷ = 3012277996493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012412215221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51938141596 + ... + 51938141653.

It is an arithmetic number, because the mean of its divisors is an integer number (779072124375).

Almost surely, 2^{3012412214221} is an apocalyptic number.

It is an amenable number.

3012412214221 is a deficient number, since it is larger than the sum of its proper divisors (103876283279).

3012412214221 is a wasteful number, since it uses less digits than its factorization.

3012412214221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103876283278.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 3012412214221 its reverse (1224122142103), we get a palindrome (4236534356324).

The spelling of 3012412214221 in words is "three trillion, twelve billion, four hundred twelve million, two hundred fourteen thousand, two hundred twenty-one".