212695497 has 32 divisors (see below), whose sum is σ = 362188800. Its totient is φ = 120842064.

The previous prime is 212695477. The next prime is 212695523. The reversal of 212695497 is 794596212.

It is not a de Polignac number, because 212695497 - 2¹⁰ = 212694473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212695447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30688 + ... + 36974.

It is an arithmetic number, because the mean of its divisors is an integer number (11318400).

Almost surely, 2^212695497 is an apocalyptic number.

212695497 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

212695497 is a deficient number, since it is larger than the sum of its proper divisors (149493303).

212695497 is a wasteful number, since it uses less digits than its factorization.

212695497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6482 (or 6476 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 212695497 is about 14584.0836873627. The cubic root of 212695497 is about 596.9245378217.

The spelling of 212695497 in words is "two hundred twelve million, six hundred ninety-five thousand, four hundred ninety-seven".