212231054 has 24 divisors (see below), whose sum is σ = 371098728. Its totient is φ = 90765360.

The previous prime is 212231023. The next prime is 212231059. The reversal of 212231054 is 450132212.

212231054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212231059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51017 + ... + 55019.

It is an arithmetic number, because the mean of its divisors is an integer number (15462447).

Almost surely, 2^212231054 is an apocalyptic number.

212231054 is a deficient number, since it is larger than the sum of its proper divisors (158867674).

212231054 is a wasteful number, since it uses less digits than its factorization.

212231054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4560 (or 4553 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 212231054 is about 14568.1520447859. The cubic root of 212231054 is about 596.4897386769.

Adding to 212231054 its reverse (450132212), we get a palindrome (662363266).

The spelling of 212231054 in words is "two hundred twelve million, two hundred thirty-one thousand, fifty-four".