212320054 has 16 divisors (see below), whose sum is σ = 329112576. Its totient is φ = 102623400.

The previous prime is 212320037. The next prime is 212320081. The reversal of 212320054 is 450023212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98569 + ... + 100699.

It is an arithmetic number, because the mean of its divisors is an integer number (20569536).

Almost surely, 2^212320054 is an apocalyptic number.

212320054 is a deficient number, since it is larger than the sum of its proper divisors (116792522).

212320054 is a wasteful number, since it uses less digits than its factorization.

212320054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3771.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 212320054 is about 14571.2063330391. The cubic root of 212320054 is about 596.5731071985.

Adding to 212320054 its reverse (450023212), we get a palindrome (662343266).

The spelling of 212320054 in words is "two hundred twelve million, three hundred twenty thousand, fifty-four".