212352511234 has 4 divisors (see below), whose sum is σ = 318528766854. Its totient is φ = 106176255616.

The previous prime is 212352511207. The next prime is 212352511271. The reversal of 212352511234 is 432115253212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 161084230609 + 51268280625 = 401353^2 + 226425^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212352511196 and 212352511205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53088127807 + ... + 53088127810.

Almost surely, 2^212352511234 is an apocalyptic number.

212352511234 is a deficient number, since it is larger than the sum of its proper divisors (106176255620).

212352511234 is a wasteful number, since it uses less digits than its factorization.

212352511234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106176255619.

The product of its digits is 14400, while the sum is 31.

Adding to 212352511234 its reverse (432115253212), we get a palindrome (644467764446).

The spelling of 212352511234 in words is "two hundred twelve billion, three hundred fifty-two million, five hundred eleven thousand, two hundred thirty-four".