203012012201 has 2 divisors, whose sum is σ = 203012012202. Its totient is φ = 203012012200.

The previous prime is 203012012179. The next prime is 203012012209. The reversal of 203012012201 is 102210210302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105777805225 + 97234206976 = 325235^2 + 311824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203012012201 is a prime.

It is not a weakly prime, because it can be changed into another prime (203012012209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101506006100 + 101506006101.

It is an arithmetic number, because the mean of its divisors is an integer number (101506006101).

Almost surely, 2^203012012201 is an apocalyptic number.

It is an amenable number.

203012012201 is a deficient number, since it is larger than the sum of its proper divisors (1).

203012012201 is an equidigital number, since it uses as much as digits as its factorization.

203012012201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 203012012201 its reverse (102210210302), we get a palindrome (305222222503).

The spelling of 203012012201 in words is "two hundred three billion, twelve million, twelve thousand, two hundred one".