212523351434 has 8 divisors (see below), whose sum is σ = 319473549120. Its totient is φ = 106032168396.

The previous prime is 212523351413. The next prime is 212523351449. The reversal of 212523351434 is 434153325212.

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

It is a junction number, because it is equal to n+sod(n) for n = 212523351394 and 212523351403.

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, 114752504 + ... + 114754355.

It is an arithmetic number, because the mean of its divisors is an integer number (39934193640).

Almost surely, 2^212523351434 is an apocalyptic number.

212523351434 is a deficient number, since it is larger than the sum of its proper divisors (106950197686).

212523351434 is a wasteful number, since it uses less digits than its factorization.

212523351434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229507324.

The product of its digits is 86400, while the sum is 35.

Adding to 212523351434 its reverse (434153325212), we get a palindrome (646676676646).

The spelling of 212523351434 in words is "two hundred twelve billion, five hundred twenty-three million, three hundred fifty-one thousand, four hundred thirty-four".