212020031287 has 2 divisors, whose sum is σ = 212020031288. Its totient is φ = 212020031286.

The previous prime is 212020031213. The next prime is 212020031317. The reversal of 212020031287 is 782130020212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212020031287 - 2³¹ = 209872547639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212020031687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010015643 + 106010015644.

It is an arithmetic number, because the mean of its divisors is an integer number (106010015644).

Almost surely, 2^212020031287 is an apocalyptic number.

212020031287 is a deficient number, since it is larger than the sum of its proper divisors (1).

212020031287 is an equidigital number, since it uses as much as digits as its factorization.

212020031287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 212020031287 its reverse (782130020212), we get a palindrome (994150051499).

The spelling of 212020031287 in words is "two hundred twelve billion, twenty million, thirty-one thousand, two hundred eighty-seven".