212512303 has 2 divisors, whose sum is σ = 212512304. Its totient is φ = 212512302.

The previous prime is 212512273. The next prime is 212512337. The reversal of 212512303 is 303215212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212512303 - 2⁹ = 212511791 is a prime.

It is a super-2 number, since 2×212512303² = 90322957852727618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212512373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106256151 + 106256152.

It is an arithmetic number, because the mean of its divisors is an integer number (106256152).

Almost surely, 2^212512303 is an apocalyptic number.

212512303 is a deficient number, since it is larger than the sum of its proper divisors (1).

212512303 is an equidigital number, since it uses as much as digits as its factorization.

212512303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 212512303 is about 14577.8017204241. The cubic root of 212512303 is about 596.7531121522.

Adding to 212512303 its reverse (303215212), we get a palindrome (515727515).

The spelling of 212512303 in words is "two hundred twelve million, five hundred twelve thousand, three hundred three".