212000992061 has 2 divisors, whose sum is σ = 212000992062. Its totient is φ = 212000992060.

The previous prime is 212000992033. The next prime is 212000992103. The reversal of 212000992061 is 160299000212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191926352836 + 20074639225 = 438094^2 + 141685^2 .

It is a cyclic number.

It is not a de Polignac number, because 212000992061 - 2²⁶ = 211933883197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212008992061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000496030 + 106000496031.

It is an arithmetic number, because the mean of its divisors is an integer number (106000496031).

Almost surely, 2^212000992061 is an apocalyptic number.

It is an amenable number.

212000992061 is a deficient number, since it is larger than the sum of its proper divisors (1).

212000992061 is an equidigital number, since it uses as much as digits as its factorization.

212000992061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

Adding to 212000992061 its reverse (160299000212), we get a palindrome (372299992273).

The spelling of 212000992061 in words is "two hundred twelve billion, nine hundred ninety-two thousand, sixty-one".