1202212031 has 2 divisors, whose sum is σ = 1202212032. Its totient is φ = 1202212030.

The previous prime is 1202212009. The next prime is 1202212049. The reversal of 1202212031 is 1302122021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202212031 is a prime.

It is a super-2 number, since 2×1202212031² = 2890627534962289922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202211997 and 1202212015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202212331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601106015 + 601106016.

It is an arithmetic number, because the mean of its divisors is an integer number (601106016).

Almost surely, 2^1202212031 is an apocalyptic number.

1202212031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202212031 is an equidigital number, since it uses as much as digits as its factorization.

1202212031 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1202212031 is about 34672.9293686011. The cubic root of 1202212031 is about 1063.3111221884.

Adding to 1202212031 its reverse (1302122021), we get a palindrome (2504334052).

The spelling of 1202212031 in words is "one billion, two hundred two million, two hundred twelve thousand, thirty-one".