212523612254 has 8 divisors (see below), whose sum is σ = 319617757440. Its totient is φ = 105984359776.

The previous prime is 212523612247. The next prime is 212523612277. The reversal of 212523612254 is 452216325212.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138722219 + ... + 138723750.

It is an arithmetic number, because the mean of its divisors is an integer number (39952219680).

Almost surely, 2^212523612254 is an apocalyptic number.

212523612254 is a deficient number, since it is larger than the sum of its proper divisors (107094145186).

212523612254 is a wasteful number, since it uses less digits than its factorization.

212523612254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277446354.

The product of its digits is 57600, while the sum is 35.

Adding to 212523612254 its reverse (452216325212), we get a palindrome (664739937466).

The spelling of 212523612254 in words is "two hundred twelve billion, five hundred twenty-three million, six hundred twelve thousand, two hundred fifty-four".