1213450514291 has 2 divisors, whose sum is σ = 1213450514292. Its totient is φ = 1213450514290.

The previous prime is 1213450514281. The next prime is 1213450514383. The reversal of 1213450514291 is 1924150543121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213450514291 - 2¹⁰ = 1213450513267 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213450514251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606725257145 + 606725257146.

It is an arithmetic number, because the mean of its divisors is an integer number (606725257146).

Almost surely, 2^{1213450514291} is an apocalyptic number.

1213450514291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213450514291 is an equidigital number, since it uses as much as digits as its factorization.

1213450514291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 1213450514291 in words is "one trillion, two hundred thirteen billion, four hundred fifty million, five hundred fourteen thousand, two hundred ninety-one".