3012200381 has 2 divisors, whose sum is σ = 3012200382. Its totient is φ = 3012200380.

The previous prime is 3012200363. The next prime is 3012200383. The reversal of 3012200381 is 1830022103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2167368025 + 844832356 = 46555^2 + 29066^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3012200381 is a prime.

It is a super-2 number, since 2×3012200381² = 18146702270593090322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 3012200383, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3012200383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506100190 + 1506100191.

It is an arithmetic number, because the mean of its divisors is an integer number (1506100191).

Almost surely, 2^3012200381 is an apocalyptic number.

It is an amenable number.

3012200381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3012200381 is an equidigital number, since it uses as much as digits as its factorization.

3012200381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 3012200381 is about 54883.5164780829. The cubic root of 3012200381 is about 1444.2020364084.

Adding to 3012200381 its reverse (1830022103), we get a palindrome (4842222484).

The spelling of 3012200381 in words is "three billion, twelve million, two hundred thousand, three hundred eighty-one".