212210201112122 has 8 divisors (see below), whose sum is σ = 318315465155136. Its totient is φ = 106105046060412.

The previous prime is 212210201112121. The next prime is 212210201112131. The reversal of 212210201112122 is 221211102012212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212210201112094 and 212210201112103.

It is not an unprimeable number, because it can be changed into a prime (212210201112121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22192658 + ... + 30280925.

It is an arithmetic number, because the mean of its divisors is an integer number (39789433144392).

Almost surely, 2^{212210201112122} is an apocalyptic number.

212210201112122 is a deficient number, since it is larger than the sum of its proper divisors (106105264043014).

212210201112122 is a wasteful number, since it uses less digits than its factorization.

212210201112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54495652.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212210201112122 its reverse (221211102012212), we get a palindrome (433421303124334).

The spelling of 212210201112122 in words is "two hundred twelve trillion, two hundred ten billion, two hundred one million, one hundred twelve thousand, one hundred twenty-two".