212310451 has 2 divisors, whose sum is σ = 212310452. Its totient is φ = 212310450.

The previous prime is 212310409. The next prime is 212310457. The reversal of 212310451 is 154013212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212310451 - 2¹⁷ = 212179379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212310457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106155225 + 106155226.

It is an arithmetic number, because the mean of its divisors is an integer number (106155226).

Almost surely, 2^212310451 is an apocalyptic number.

212310451 is a deficient number, since it is larger than the sum of its proper divisors (1).

212310451 is an equidigital number, since it uses as much as digits as its factorization.

212310451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 212310451 is about 14570.8768095815. The cubic root of 212310451 is about 596.5641129501.

Adding to 212310451 its reverse (154013212), we get a palindrome (366323663).

The spelling of 212310451 in words is "two hundred twelve million, three hundred ten thousand, four hundred fifty-one".