203212033363397 has 2 divisors, whose sum is σ = 203212033363398. Its totient is φ = 203212033363396.

The previous prime is 203212033363321. The next prime is 203212033363441. The reversal of 203212033363397 is 793363330212302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181255977101956 + 21956056261441 = 13463134^2 + 4685729^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203212033363397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203212033363597) 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 as a sum of consecutive naturals, namely, 101606016681698 + 101606016681699.

It is an arithmetic number, because the mean of its divisors is an integer number (101606016681699).

Almost surely, 2^{203212033363397} is an apocalyptic number.

It is an amenable number.

203212033363397 is a deficient number, since it is larger than the sum of its proper divisors (1).

203212033363397 is an equidigital number, since it uses as much as digits as its factorization.

203212033363397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2204496, while the sum is 47.

Adding to 203212033363397 its reverse (793363330212302), we get a palindrome (996575363575699).

The spelling of 203212033363397 in words is "two hundred three trillion, two hundred twelve billion, thirty-three million, three hundred sixty-three thousand, three hundred ninety-seven".