212130401201 has 4 divisors (see below), whose sum is σ = 212613614400. Its totient is φ = 211647188004.

The previous prime is 212130401191. The next prime is 212130401257. The reversal of 212130401201 is 102104031212.

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 212130401201 - 2¹⁸ = 212130139057 is a prime.

It is a super-2 number, since 2×212130401201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212130401201.

It is not an unprimeable number, because it can be changed into a prime (212130401401) 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, 241605941 + ... + 241606818.

It is an arithmetic number, because the mean of its divisors is an integer number (53153403600).

Almost surely, 2^212130401201 is an apocalyptic number.

It is an amenable number.

212130401201 is a deficient number, since it is larger than the sum of its proper divisors (483213199).

212130401201 is an equidigital number, since it uses as much as digits as its factorization.

212130401201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483213198.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212130401201 its reverse (102104031212), we get a palindrome (314234432413).

The spelling of 212130401201 in words is "two hundred twelve billion, one hundred thirty million, four hundred one thousand, two hundred one".