212330012141 has 4 divisors (see below), whose sum is σ = 228663090012. Its totient is φ = 195996934272.

The previous prime is 212330012113. The next prime is 212330012173. The reversal of 212330012141 is 141210033212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42417050116 + 169912962025 = 205954^2 + 412205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212330012141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212330012101) 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, 8166538916 + ... + 8166538941.

It is an arithmetic number, because the mean of its divisors is an integer number (57165772503).

Almost surely, 2^212330012141 is an apocalyptic number.

It is an amenable number.

212330012141 is a deficient number, since it is larger than the sum of its proper divisors (16333077871).

212330012141 is a wasteful number, since it uses less digits than its factorization.

212330012141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16333077870.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212330012141 its reverse (141210033212), we get a palindrome (353540045353).

The spelling of 212330012141 in words is "two hundred twelve billion, three hundred thirty million, twelve thousand, one hundred forty-one".