1202213113 has 2 divisors, whose sum is σ = 1202213114. Its totient is φ = 1202213112.

The previous prime is 1202213083. The next prime is 1202213147. The reversal of 1202213113 is 3113122021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 962985024 + 239228089 = 31032^2 + 15467^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202213113 - 2¹³ = 1202204921 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202213153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601106556 + 601106557.

It is an arithmetic number, because the mean of its divisors is an integer number (601106557).

Almost surely, 2^1202213113 is an apocalyptic number.

It is an amenable number.

1202213113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202213113 is an equidigital number, since it uses as much as digits as its factorization.

1202213113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1202213113 is about 34672.9449715481. The cubic root of 1202213113 is about 1063.3114411843.

Adding to 1202213113 its reverse (3113122021), we get a palindrome (4315335134).

The spelling of 1202213113 in words is "one billion, two hundred two million, two hundred thirteen thousand, one hundred thirteen".