212237697 has 8 divisors (see below), whose sum is σ = 323409856. Its totient is φ = 121278672.

The previous prime is 212237693. The next prime is 212237699. The reversal of 212237697 is 796732212.

212237697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212237697 - 2² = 212237693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212237693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5053258 + ... + 5053299.

It is an arithmetic number, because the mean of its divisors is an integer number (40426232).

Almost surely, 2^212237697 is an apocalyptic number.

It is an amenable number.

212237697 is a deficient number, since it is larger than the sum of its proper divisors (111172159).

212237697 is a wasteful number, since it uses less digits than its factorization.

212237697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10106567.

The product of its digits is 63504, while the sum is 39.

The square root of 212237697 is about 14568.3800403477. The cubic root of 212237697 is about 596.4959621456.

It can be divided in two parts, 21223 and 7697, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 212237697 in words is "two hundred twelve million, two hundred thirty-seven thousand, six hundred ninety-seven".