201351212203 has 4 divisors (see below), whose sum is σ = 201367902088. Its totient is φ = 201334522320.

The previous prime is 201351212173. The next prime is 201351212207. The reversal of 201351212203 is 302212153102.

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

It is a cyclic number.

It is not a de Polignac number, because 201351212203 - 2¹³ = 201351204011 is a prime.

It is a super-2 number, since 2×201351212203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201351212207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8326833 + ... + 8350978.

It is an arithmetic number, because the mean of its divisors is an integer number (50341975522).

Almost surely, 2^201351212203 is an apocalyptic number.

201351212203 is a deficient number, since it is larger than the sum of its proper divisors (16689885).

201351212203 is a wasteful number, since it uses less digits than its factorization.

201351212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16689884.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 201351212203 its reverse (302212153102), we get a palindrome (503563365305).

The spelling of 201351212203 in words is "two hundred one billion, three hundred fifty-one million, two hundred twelve thousand, two hundred three".