212505240034 has 8 divisors (see below), whose sum is σ = 319483961280. Its totient is φ = 106010586276.

The previous prime is 212505240019. The next prime is 212505240037. The reversal of 212505240034 is 430042505212.

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 = 212505239984 and 212505240011.

It is not an unprimeable number, because it can be changed into a prime (212505240037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121015774 + ... + 121017529.

It is an arithmetic number, because the mean of its divisors is an integer number (39935495160).

Almost surely, 2^212505240034 is an apocalyptic number.

212505240034 is a deficient number, since it is larger than the sum of its proper divisors (106978721246).

212505240034 is a wasteful number, since it uses less digits than its factorization.

212505240034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242033744.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 212505240034 its reverse (430042505212), we get a palindrome (642547745246).

The spelling of 212505240034 in words is "two hundred twelve billion, five hundred five million, two hundred forty thousand, thirty-four".