1213002003271 has 2 divisors, whose sum is σ = 1213002003272. Its totient is φ = 1213002003270.

The previous prime is 1213002003251. The next prime is 1213002003313. The reversal of 1213002003271 is 1723002003121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213002003271 - 2²³ = 1212993614663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213002003251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606501001635 + 606501001636.

It is an arithmetic number, because the mean of its divisors is an integer number (606501001636).

Almost surely, 2^{1213002003271} is an apocalyptic number.

1213002003271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213002003271 is an equidigital number, since it uses as much as digits as its factorization.

1213002003271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 1213002003271 its reverse (1723002003121), we get a palindrome (2936004006392).

The spelling of 1213002003271 in words is "one trillion, two hundred thirteen billion, two million, three thousand, two hundred seventy-one".