213203223212002 has 4 divisors (see below), whose sum is σ = 319804834818006. Its totient is φ = 106601611606000.

The previous prime is 213203223211987. The next prime is 213203223212003. The reversal of 213203223212002 is 200212322302312.

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

It can be written as a sum of positive squares in only one way, i.e., 177412569976161 + 35790653235841 = 13319631^2 + 5982529^2 .

It is a super-2 number, since 2×213203223212002² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213203223212003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53300805802999 + ... + 53300805803002.

Almost surely, 2^{213203223212002} is an apocalyptic number.

213203223212002 is a deficient number, since it is larger than the sum of its proper divisors (106601611606004).

213203223212002 is a wasteful number, since it uses less digits than its factorization.

213203223212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106601611606003.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 213203223212002 its reverse (200212322302312), we get a palindrome (413415545514314).

The spelling of 213203223212002 in words is "two hundred thirteen trillion, two hundred three billion, two hundred twenty-three million, two hundred twelve thousand, two".