212021130122 has 8 divisors (see below), whose sum is σ = 321119381856. Its totient is φ = 104981336172.

The previous prime is 212021130109. The next prime is 212021130133. The reversal of 212021130122 is 221031120212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 212021130122.

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, 514614188 + ... + 514614599.

It is an arithmetic number, because the mean of its divisors is an integer number (40139922732).

Almost surely, 2^212021130122 is an apocalyptic number.

212021130122 is a deficient number, since it is larger than the sum of its proper divisors (109098251734).

212021130122 is a wasteful number, since it uses less digits than its factorization.

212021130122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029228892.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212021130122 its reverse (221031120212), we get a palindrome (433052250334).

The spelling of 212021130122 in words is "two hundred twelve billion, twenty-one million, one hundred thirty thousand, one hundred twenty-two".