212122121211002 has 8 divisors (see below), whose sum is σ = 321463420804596. Its totient is φ = 104967647609472.

The previous prime is 212122121211001. The next prime is 212122121211043. The reversal of 212122121211002 is 200112121221212.

212122121211002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 178240629761041 + 33881491449961 = 13350679^2 + 5820781^2 .

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

It is not an unprimeable number, because it can be changed into a prime (212122121211001) 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, 546706497773 + ... + 546706498160.

Almost surely, 2^{212122121211002} is an apocalyptic number.

212122121211002 is a deficient number, since it is larger than the sum of its proper divisors (109341299593594).

212122121211002 is a wasteful number, since it uses less digits than its factorization.

212122121211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093412996032.

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

Adding to 212122121211002 its reverse (200112121221212), we get a palindrome (412234242432214).

The spelling of 212122121211002 in words is "two hundred twelve trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred eleven thousand, two".