212342232654 has 48 divisors (see below), whose sum is σ = 466534111680. Its totient is φ = 69792399360.

The previous prime is 212342232653. The next prime is 212342232689. The reversal of 212342232654 is 456232243212.

212342232654 is a `hidden beast` number, since 21 + 2 + 342 + 232 + 65 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212342232653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 248782 + ... + 697550.

It is an arithmetic number, because the mean of its divisors is an integer number (9719460660).

Almost surely, 2^212342232654 is an apocalyptic number.

212342232654 is an abundant number, since it is smaller than the sum of its proper divisors (254191879026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212342232654 is a wasteful number, since it uses less digits than its factorization.

212342232654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449145 (or 449142 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 212342232654 its reverse (456232243212), we get a palindrome (668574475866).

The spelling of 212342232654 in words is "two hundred twelve billion, three hundred forty-two million, two hundred thirty-two thousand, six hundred fifty-four".