212452545526 has 24 divisors (see below), whose sum is σ = 345143396304. Its totient is φ = 98036508960.

The previous prime is 212452545521. The next prime is 212452545527. The reversal of 212452545526 is 625545254212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212452545521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1821711 + ... + 1934821.

It is an arithmetic number, because the mean of its divisors is an integer number (14380974846).

Almost surely, 2^212452545526 is an apocalyptic number.

212452545526 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

212452545526 is a deficient number, since it is larger than the sum of its proper divisors (132690850778).

212452545526 is a wasteful number, since it uses less digits than its factorization.

212452545526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118696 (or 118683 counting only the distinct ones).

The product of its digits is 960000, while the sum is 43.

Adding to 212452545526 its reverse (625545254212), we get a palindrome (837997799738).

The spelling of 212452545526 in words is "two hundred twelve billion, four hundred fifty-two million, five hundred forty-five thousand, five hundred twenty-six".