212203413122233 has 4 divisors (see below), whose sum is σ = 228526752593188. Its totient is φ = 195880073651280.

The previous prime is 212203413122219. The next prime is 212203413122263. The reversal of 212203413122233 is 332221314302212.

It is a happy number.

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 29752693887609 + 182450719234624 = 5454603^2 + 13507432^2 .

It is a cyclic number.

It is not a de Polignac number, because 212203413122233 - 2¹³ = 212203413114041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212203413122195 and 212203413122204.

It is not an unprimeable number, because it can be changed into a prime (212203413122263) 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, 8161669735458 + ... + 8161669735483.

It is an arithmetic number, because the mean of its divisors is an integer number (57131688148297).

Almost surely, 2^{212203413122233} is an apocalyptic number.

It is an amenable number.

212203413122233 is a deficient number, since it is larger than the sum of its proper divisors (16323339470955).

212203413122233 is a wasteful number, since it uses less digits than its factorization.

212203413122233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16323339470954.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 212203413122233 its reverse (332221314302212), we get a palindrome (544424727424445).

The spelling of 212203413122233 in words is "two hundred twelve trillion, two hundred three billion, four hundred thirteen million, one hundred twenty-two thousand, two hundred thirty-three".