212424297 has 16 divisors (see below), whose sum is σ = 297444480. Its totient is φ = 134589312.

The previous prime is 212424287. The next prime is 212424301. The reversal of 212424297 is 792424212.

212424297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212424297 - 2⁷ = 212424169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212424227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1029 + ... + 20637.

It is an arithmetic number, because the mean of its divisors is an integer number (18590280).

Almost surely, 2^212424297 is an apocalyptic number.

It is an amenable number.

212424297 is a deficient number, since it is larger than the sum of its proper divisors (85020183).

212424297 is a wasteful number, since it uses less digits than its factorization.

212424297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19792.

The product of its digits is 16128, while the sum is 33.

The square root of 212424297 is about 14574.7829143353. The cubic root of 212424297 is about 596.6707245995.

The spelling of 212424297 in words is "two hundred twelve million, four hundred twenty-four thousand, two hundred ninety-seven".