212140434201 has 4 divisors (see below), whose sum is σ = 282853912272. Its totient is φ = 141426956132.

The previous prime is 212140434101. The next prime is 212140434217. The reversal of 212140434201 is 102434041212.

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 cyclic number.

It is not a de Polignac number, because 212140434201 - 2²⁵ = 212106879769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212140434271) 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, 35356739031 + ... + 35356739036.

It is an arithmetic number, because the mean of its divisors is an integer number (70713478068).

Almost surely, 2^212140434201 is an apocalyptic number.

It is an amenable number.

212140434201 is a deficient number, since it is larger than the sum of its proper divisors (70713478071).

212140434201 is an equidigital number, since it uses as much as digits as its factorization.

212140434201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70713478070.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 212140434201 its reverse (102434041212), we get a palindrome (314574475413).

The spelling of 212140434201 in words is "two hundred twelve billion, one hundred forty million, four hundred thirty-four thousand, two hundred one".