212012212051 has 2 divisors, whose sum is σ = 212012212052. Its totient is φ = 212012212050.

The previous prime is 212012212043. The next prime is 212012212079. The reversal of 212012212051 is 150212210212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212012212051 - 2³ = 212012212043 is a prime.

It is not a weakly prime, because it can be changed into another prime (212012212151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006106025 + 106006106026.

It is an arithmetic number, because the mean of its divisors is an integer number (106006106026).

Almost surely, 2^212012212051 is an apocalyptic number.

212012212051 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012212051 is an equidigital number, since it uses as much as digits as its factorization.

212012212051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 212012212051 its reverse (150212210212), we get a palindrome (362224422263).

The spelling of 212012212051 in words is "two hundred twelve billion, twelve million, two hundred twelve thousand, fifty-one".