212351023345 has 8 divisors (see below), whose sum is σ = 254946953664. Its totient is φ = 169797001584.

The previous prime is 212351023289. The next prime is 212351023351. The reversal of 212351023345 is 543320153212.

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

It is a cyclic number.

It is not a de Polignac number, because 212351023345 - 2¹³ = 212351015153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10465989 + ... + 10486258.

It is an arithmetic number, because the mean of its divisors is an integer number (31868369208).

Almost surely, 2^212351023345 is an apocalyptic number.

It is an amenable number.

212351023345 is a deficient number, since it is larger than the sum of its proper divisors (42595930319).

212351023345 is a wasteful number, since it uses less digits than its factorization.

212351023345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20954279.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 212351023345 its reverse (543320153212), we get a palindrome (755671176557).

The spelling of 212351023345 in words is "two hundred twelve billion, three hundred fifty-one million, twenty-three thousand, three hundred forty-five".