212269051 has 2 divisors, whose sum is σ = 212269052. Its totient is φ = 212269050.

The previous prime is 212269049. The next prime is 212269069. The reversal of 212269051 is 150962212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212269051 - 2¹ = 212269049 is a prime.

Together with 212269049, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212269091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106134525 + 106134526.

It is an arithmetic number, because the mean of its divisors is an integer number (106134526).

Almost surely, 2^212269051 is an apocalyptic number.

212269051 is a deficient number, since it is larger than the sum of its proper divisors (1).

212269051 is an equidigital number, since it uses as much as digits as its factorization.

212269051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 212269051 is about 14569.4560982900. The cubic root of 212269051 is about 596.5253342659.

The spelling of 212269051 in words is "two hundred twelve million, two hundred sixty-nine thousand, fifty-one".