212020112147 has 2 divisors, whose sum is σ = 212020112148. Its totient is φ = 212020112146.

The previous prime is 212020112099. The next prime is 212020112203. The reversal of 212020112147 is 741211020212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212020112147 - 2¹² = 212020108051 is a prime.

It is not a weakly prime, because it can be changed into another prime (212020612147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010056073 + 106010056074.

It is an arithmetic number, because the mean of its divisors is an integer number (106010056074).

Almost surely, 2^212020112147 is an apocalyptic number.

212020112147 is a deficient number, since it is larger than the sum of its proper divisors (1).

212020112147 is an equidigital number, since it uses as much as digits as its factorization.

212020112147 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 212020112147 its reverse (741211020212), we get a palindrome (953231132359).

The spelling of 212020112147 in words is "two hundred twelve billion, twenty million, one hundred twelve thousand, one hundred forty-seven".