212512454151 has 4 divisors (see below), whose sum is σ = 283349938872. Its totient is φ = 141674969432.

The previous prime is 212512454129. The next prime is 212512454239. The reversal of 212512454151 is 151454215212.

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

It is a cyclic number.

It is not a de Polignac number, because 212512454151 - 2¹⁵ = 212512421383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212512954151) 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, 35418742356 + ... + 35418742361.

It is an arithmetic number, because the mean of its divisors is an integer number (70837484718).

Almost surely, 2^212512454151 is an apocalyptic number.

212512454151 is a deficient number, since it is larger than the sum of its proper divisors (70837484721).

212512454151 is an equidigital number, since it uses as much as digits as its factorization.

212512454151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70837484720.

The product of its digits is 16000, while the sum is 33.

Adding to 212512454151 its reverse (151454215212), we get a palindrome (363966669363).

The spelling of 212512454151 in words is "two hundred twelve billion, five hundred twelve million, four hundred fifty-four thousand, one hundred fifty-one".