212541352551 has 48 divisors (see below), whose sum is σ = 354893179680. Its totient is φ = 121140418560.

The previous prime is 212541352549. The next prime is 212541352559. The reversal of 212541352551 is 155253145212.

212541352551 is a `hidden beast` number, since 2 + 1 + 2 + 54 + 1 + 3 + 52 + 551 = 666.

It is not a de Polignac number, because 212541352551 - 2¹ = 212541352549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212541352559) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2120401 + ... + 2218373.

It is an arithmetic number, because the mean of its divisors is an integer number (7393607910).

Almost surely, 2^212541352551 is an apocalyptic number.

212541352551 is a deficient number, since it is larger than the sum of its proper divisors (142351827129).

212541352551 is a wasteful number, since it uses less digits than its factorization.

212541352551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99296 (or 99293 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

Adding to 212541352551 its reverse (155253145212), we get a palindrome (367794497763).

The spelling of 212541352551 in words is "two hundred twelve billion, five hundred forty-one million, three hundred fifty-two thousand, five hundred fifty-one".