1200212141 has 2 divisors, whose sum is σ = 1200212142. Its totient is φ = 1200212140.

The previous prime is 1200212119. The next prime is 1200212191. The reversal of 1200212141 is 1412120021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1193426116 + 6786025 = 34546^2 + 2605^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200212141 - 2⁶ = 1200212077 is a prime.

It is a Sophie Germain 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 (1200212191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600106070 + 600106071.

It is an arithmetic number, because the mean of its divisors is an integer number (600106071).

Almost surely, 2^1200212141 is an apocalyptic number.

It is an amenable number.

1200212141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200212141 is an equidigital number, since it uses as much as digits as its factorization.

1200212141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1200212141 is about 34644.0780076480. The cubic root of 1200212141 is about 1062.7211858961.

Adding to 1200212141 its reverse (1412120021), we get a palindrome (2612332162).

The spelling of 1200212141 in words is "one billion, two hundred million, two hundred twelve thousand, one hundred forty-one".