212432055 has 16 divisors (see below), whose sum is σ = 370790784. Its totient is φ = 102997280.

The previous prime is 212432039. The next prime is 212432069. The reversal of 212432055 is 550234212.

It is not a de Polignac number, because 212432055 - 2⁴ = 212432039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643569 + ... + 643898.

It is an arithmetic number, because the mean of its divisors is an integer number (23174424).

Almost surely, 2^212432055 is an apocalyptic number.

212432055 is a deficient number, since it is larger than the sum of its proper divisors (158358729).

212432055 is a wasteful number, since it uses less digits than its factorization.

212432055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287486.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 212432055 is about 14575.0490565212. The cubic root of 212432055 is about 596.6779882305.

Adding to 212432055 its reverse (550234212), we get a palindrome (762666267).

The spelling of 212432055 in words is "two hundred twelve million, four hundred thirty-two thousand, fifty-five".