212032407 has 8 divisors (see below), whose sum is σ = 284744320. Its totient is φ = 140337720.

The previous prime is 212032393. The next prime is 212032417. The reversal of 212032407 is 704230212.

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

It is not a de Polignac number, because 212032407 - 2⁸ = 212032151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212032417) 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, 253819 + ... + 254652.

It is an arithmetic number, because the mean of its divisors is an integer number (35593040).

Almost surely, 2^212032407 is an apocalyptic number.

212032407 is a deficient number, since it is larger than the sum of its proper divisors (72711913).

212032407 is a wasteful number, since it uses less digits than its factorization.

212032407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508613.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 212032407 is about 14561.3325969844. The cubic root of 212032407 is about 596.3035769708.

Adding to 212032407 its reverse (704230212), we get a palindrome (916262619).

The spelling of 212032407 in words is "two hundred twelve million, thirty-two thousand, four hundred seven".