212142033401 has 4 divisors (see below), whose sum is σ = 223307403600. Its totient is φ = 200976663204.

The previous prime is 212142033391. The next prime is 212142033409. The reversal of 212142033401 is 104330241212.

212142033401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-212142033401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212142033409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5582685071 + ... + 5582685108.

It is an arithmetic number, because the mean of its divisors is an integer number (55826850900).

Almost surely, 2^212142033401 is an apocalyptic number.

It is an amenable number.

212142033401 is a deficient number, since it is larger than the sum of its proper divisors (11165370199).

212142033401 is a wasteful number, since it uses less digits than its factorization.

212142033401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11165370198.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 212142033401 its reverse (104330241212), we get a palindrome (316472274613).

The spelling of 212142033401 in words is "two hundred twelve billion, one hundred forty-two million, thirty-three thousand, four hundred one".