212010220087 has 2 divisors, whose sum is σ = 212010220088. Its totient is φ = 212010220086.

The previous prime is 212010220063. The next prime is 212010220127. The reversal of 212010220087 is 780022010212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212010220087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212010220007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005110043 + 106005110044.

It is an arithmetic number, because the mean of its divisors is an integer number (106005110044).

Almost surely, 2^212010220087 is an apocalyptic number.

212010220087 is a deficient number, since it is larger than the sum of its proper divisors (1).

212010220087 is an equidigital number, since it uses as much as digits as its factorization.

212010220087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 212010220087 its reverse (780022010212), we get a palindrome (992032230299).

The spelling of 212010220087 in words is "two hundred twelve billion, ten million, two hundred twenty thousand, eighty-seven".