1230201301291 has 2 divisors, whose sum is σ = 1230201301292. Its totient is φ = 1230201301290.

The previous prime is 1230201301289. The next prime is 1230201301363. The reversal of 1230201301291 is 1921031020321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1230201301291 - 2¹ = 1230201301289 is a prime.

Together with 1230201301289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1230201301201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615100650645 + 615100650646.

It is an arithmetic number, because the mean of its divisors is an integer number (615100650646).

Almost surely, 2^{1230201301291} is an apocalyptic number.

1230201301291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230201301291 is an equidigital number, since it uses as much as digits as its factorization.

1230201301291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 1230201301291 in words is "one trillion, two hundred thirty billion, two hundred one million, three hundred one thousand, two hundred ninety-one".