212210300122 has 8 divisors (see below), whose sum is σ = 318317418036. Its totient is φ = 106104494112.

The previous prime is 212210300111. The next prime is 212210300179. The reversal of 212210300122 is 221003012212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 170602867681 + 41607432441 = 413041^2 + 203979^2 .

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

It is a super-2 number, since 2×212210300122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212210300096 and 212210300105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396358 + ... + 762574.

Almost surely, 2^212210300122 is an apocalyptic number.

212210300122 is a deficient number, since it is larger than the sum of its proper divisors (106107117914).

212210300122 is a wasteful number, since it uses less digits than its factorization.

212210300122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655952.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212210300122 its reverse (221003012212), we get a palindrome (433213312334).

The spelling of 212210300122 in words is "two hundred twelve billion, two hundred ten million, three hundred thousand, one hundred twenty-two".