212054121050 has 24 divisors (see below), whose sum is σ = 395017429692. Its totient is φ = 84693312000.

The previous prime is 212054121007. The next prime is 212054121067. The reversal of 212054121050 is 50121450212.

It can be written as a sum of positive squares in 6 ways, for example, as 90306861121 + 121747259929 = 300511^2 + 348923^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3175031 + ... + 3241130.

Almost surely, 2^212054121050 is an apocalyptic number.

212054121050 is a deficient number, since it is larger than the sum of its proper divisors (182963308642).

212054121050 is a wasteful number, since it uses less digits than its factorization.

212054121050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6416834 (or 6416829 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 212054121050 its reverse (50121450212), we get a palindrome (262175571262).

The spelling of 212054121050 in words is "two hundred twelve billion, fifty-four million, one hundred twenty-one thousand, fifty".