201204212113 has 4 divisors (see below), whose sum is σ = 213039754020. Its totient is φ = 189368670208.

The previous prime is 201204212107. The next prime is 201204212189. The reversal of 201204212113 is 311212402102.

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 127289827729 + 73914384384 = 356777^2 + 271872^2 .

It is a cyclic number.

It is not a de Polignac number, because 201204212113 - 2⁵ = 201204212081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201204212513) 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, 5917770928 + ... + 5917770961.

It is an arithmetic number, because the mean of its divisors is an integer number (53259938505).

Almost surely, 2^201204212113 is an apocalyptic number.

It is an amenable number.

201204212113 is a deficient number, since it is larger than the sum of its proper divisors (11835541907).

201204212113 is a wasteful number, since it uses less digits than its factorization.

201204212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11835541906.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201204212113 its reverse (311212402102), we get a palindrome (512416614215).

The spelling of 201204212113 in words is "two hundred one billion, two hundred four million, two hundred twelve thousand, one hundred thirteen".