1212210200231 has 2 divisors, whose sum is σ = 1212210200232. Its totient is φ = 1212210200230.

The previous prime is 1212210200219. The next prime is 1212210200251. The reversal of 1212210200231 is 1320020122121.

It is a weak prime.

It is an emirp because it is prime and its reverse (1320020122121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212210200231 is a prime.

It is a super-2 number, since 2×1212210200231² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212210200251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606105100115 + 606105100116.

It is an arithmetic number, because the mean of its divisors is an integer number (606105100116).

Almost surely, 2^{1212210200231} is an apocalyptic number.

1212210200231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212210200231 is an equidigital number, since it uses as much as digits as its factorization.

1212210200231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1212210200231 its reverse (1320020122121), we get a palindrome (2532230322352).

The spelling of 1212210200231 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred thousand, two hundred thirty-one".