212010200121 has 8 divisors (see below), whose sum is σ = 282690050400. Its totient is φ = 141335241632.

The previous prime is 212010200119. The next prime is 212010200167. The reversal of 212010200121 is 121002010212.

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

It is a cyclic number.

It is not a de Polignac number, because 212010200121 - 2¹ = 212010200119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212010200097 and 212010200106.

It is not an unprimeable number, because it can be changed into a prime (212010200821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120596 + ... + 1296053.

It is an arithmetic number, because the mean of its divisors is an integer number (35336256300).

Almost surely, 2^212010200121 is an apocalyptic number.

It is an amenable number.

212010200121 is a deficient number, since it is larger than the sum of its proper divisors (70679850279).

212010200121 is a wasteful number, since it uses less digits than its factorization.

212010200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445895.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212010200121 its reverse (121002010212), we get a palindrome (333012210333).

The spelling of 212010200121 in words is "two hundred twelve billion, ten million, two hundred thousand, one hundred twenty-one".