212241551451 has 8 divisors (see below), whose sum is σ = 283005219840. Its totient is φ = 141486125352.

The previous prime is 212241551317. The next prime is 212241551519. The reversal of 212241551451 is 154155142212.

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

It is not a de Polignac number, because 212241551451 - 2¹⁸ = 212241289307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212241551551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2000235 + ... + 2103668.

It is an arithmetic number, because the mean of its divisors is an integer number (35375652480).

Almost surely, 2^212241551451 is an apocalyptic number.

212241551451 is a deficient number, since it is larger than the sum of its proper divisors (70763668389).

212241551451 is a wasteful number, since it uses less digits than its factorization.

212241551451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121145.

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

Adding to 212241551451 its reverse (154155142212), we get a palindrome (366396693663).

The spelling of 212241551451 in words is "two hundred twelve billion, two hundred forty-one million, five hundred fifty-one thousand, four hundred fifty-one".