212010221147 has 2 divisors, whose sum is σ = 212010221148. Its totient is φ = 212010221146.

The previous prime is 212010221107. The next prime is 212010221197. The reversal of 212010221147 is 741122010212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212010221147 - 2²⁸ = 211741785691 is a prime.

It is not a weakly prime, because it can be changed into another prime (212010221107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005110573 + 106005110574.

It is an arithmetic number, because the mean of its divisors is an integer number (106005110574).

Almost surely, 2^212010221147 is an apocalyptic number.

212010221147 is a deficient number, since it is larger than the sum of its proper divisors (1).

212010221147 is an equidigital number, since it uses as much as digits as its factorization.

212010221147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 212010221147 its reverse (741122010212), we get a palindrome (953132231359).

The spelling of 212010221147 in words is "two hundred twelve billion, ten million, two hundred twenty-one thousand, one hundred forty-seven".