212342110555 has 16 divisors (see below), whose sum is σ = 258765071904. Its totient is φ = 167245689600.

The previous prime is 212342110553. The next prime is 212342110573. The reversal of 212342110555 is 555011243212.

It is not a de Polignac number, because 212342110555 - 2¹ = 212342110553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212342110553) 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, 318921 + ... + 725530.

It is an arithmetic number, because the mean of its divisors is an integer number (16172816994).

Almost surely, 2^212342110555 is an apocalyptic number.

212342110555 is a deficient number, since it is larger than the sum of its proper divisors (46422961349).

212342110555 is a wasteful number, since it uses less digits than its factorization.

212342110555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045086.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 212342110555 its reverse (555011243212), we get a palindrome (767353353767).

The spelling of 212342110555 in words is "two hundred twelve billion, three hundred forty-two million, one hundred ten thousand, five hundred fifty-five".