212655535653 has 64 divisors (see below), whose sum is σ = 318362204160. Its totient is φ = 125185824000.

The previous prime is 212655535643. The next prime is 212655535657. The reversal of 212655535653 is 356535556212.

It is not a de Polignac number, because 212655535653 - 2³⁴ = 195475666469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212655535657) 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 63 ways as a sum of consecutive naturals, for example, 37416750 + ... + 37422432.

It is an arithmetic number, because the mean of its divisors is an integer number (4974409440).

Almost surely, 2^212655535653 is an apocalyptic number.

It is an amenable number.

212655535653 is a deficient number, since it is larger than the sum of its proper divisors (105706668507).

212655535653 is a wasteful number, since it uses less digits than its factorization.

212655535653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010.

The product of its digits is 4050000, while the sum is 48.

The spelling of 212655535653 in words is "two hundred twelve billion, six hundred fifty-five million, five hundred thirty-five thousand, six hundred fifty-three".