212286956551 has 2 divisors, whose sum is σ = 212286956552. Its totient is φ = 212286956550.

The previous prime is 212286956537. The next prime is 212286956569. The reversal of 212286956551 is 155659682212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212286956551 - 2¹³ = 212286948359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212286956591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106143478275 + 106143478276.

It is an arithmetic number, because the mean of its divisors is an integer number (106143478276).

Almost surely, 2^212286956551 is an apocalyptic number.

212286956551 is a deficient number, since it is larger than the sum of its proper divisors (1).

212286956551 is an equidigital number, since it uses as much as digits as its factorization.

212286956551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592000, while the sum is 52.

The spelling of 212286956551 in words is "two hundred twelve billion, two hundred eighty-six million, nine hundred fifty-six thousand, five hundred fifty-one".