212610321355 has 16 divisors (see below), whose sum is σ = 256257096480. Its totient is φ = 169339133952.

The previous prime is 212610321293. The next prime is 212610321359. The reversal of 212610321355 is 553123016212.

It is not a de Polignac number, because 212610321355 - 2⁷ = 212610321227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212610321359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2511661 + ... + 2594929.

It is an arithmetic number, because the mean of its divisors is an integer number (16016068530).

Almost surely, 2^212610321355 is an apocalyptic number.

212610321355 is a deficient number, since it is larger than the sum of its proper divisors (43646775125).

212610321355 is a wasteful number, since it uses less digits than its factorization.

212610321355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85518.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 212610321355 its reverse (553123016212), we get a palindrome (765733337567).

The spelling of 212610321355 in words is "two hundred twelve billion, six hundred ten million, three hundred twenty-one thousand, three hundred fifty-five".