1202681213 has 2 divisors, whose sum is σ = 1202681214. Its totient is φ = 1202681212.

The previous prime is 1202681197. The next prime is 1202681273. The reversal of 1202681213 is 3121862021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 987090724 + 215590489 = 31418^2 + 14683^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202681213 - 2⁴ = 1202681197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202681273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601340606 + 601340607.

It is an arithmetic number, because the mean of its divisors is an integer number (601340607).

Almost surely, 2^1202681213 is an apocalyptic number.

It is an amenable number.

1202681213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202681213 is an equidigital number, since it uses as much as digits as its factorization.

1202681213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1202681213 is about 34679.6945344102. The cubic root of 1202681213 is about 1063.4494287823.

It can be divided in two parts, 12026 and 81213, that added together give a palindrome (93239).

The spelling of 1202681213 in words is "one billion, two hundred two million, six hundred eighty-one thousand, two hundred thirteen".