212440553073 has 24 divisors (see below), whose sum is σ = 352162886400. Its totient is φ = 120886665984.

The previous prime is 212440552999. The next prime is 212440553081. The reversal of 212440553073 is 370355044212.

212440553073 is a `hidden beast` number, since 2 + 12 + 4 + 40 + 5 + 530 + 73 = 666.

It is not a de Polignac number, because 212440553073 - 2³³ = 203850618481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212440553173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7039488 + ... + 7069601.

It is an arithmetic number, because the mean of its divisors is an integer number (14673453600).

Almost surely, 2^212440553073 is an apocalyptic number.

It is an amenable number.

212440553073 is a deficient number, since it is larger than the sum of its proper divisors (139722333327).

212440553073 is a wasteful number, since it uses less digits than its factorization.

212440553073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14109341 (or 14109338 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

Adding to 212440553073 its reverse (370355044212), we get a palindrome (582795597285).

The spelling of 212440553073 in words is "two hundred twelve billion, four hundred forty million, five hundred fifty-three thousand, seventy-three".