212000331121 has 8 divisors (see below), whose sum is σ = 229246917120. Its totient is φ = 195284409408.

The previous prime is 212000331119. The next prime is 212000331133. The reversal of 212000331121 is 121133000212.

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 212000331121 - 2¹ = 212000331119 is a prime.

It is a super-2 number, since 2×212000331121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212000331095 and 212000331104.

It is not an unprimeable number, because it can be changed into a prime (212000331181) 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, 132665241 + ... + 132666838.

It is an arithmetic number, because the mean of its divisors is an integer number (28655864640).

Almost surely, 2^212000331121 is an apocalyptic number.

It is an amenable number.

212000331121 is a deficient number, since it is larger than the sum of its proper divisors (17246585999).

212000331121 is a wasteful number, since it uses less digits than its factorization.

212000331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265332143.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212000331121 its reverse (121133000212), we get a palindrome (333133331333).

The spelling of 212000331121 in words is "two hundred twelve billion, three hundred thirty-one thousand, one hundred twenty-one".