1213041234211 has 2 divisors, whose sum is σ = 1213041234212. Its totient is φ = 1213041234210.

The previous prime is 1213041234193. The next prime is 1213041234217. The reversal of 1213041234211 is 1124321403121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213041234211 - 2²¹ = 1213039137059 is a prime.

It is a super-2 number, since 2×1213041234211² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1213041234217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606520617105 + 606520617106.

It is an arithmetic number, because the mean of its divisors is an integer number (606520617106).

Almost surely, 2^{1213041234211} is an apocalyptic number.

1213041234211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213041234211 is an equidigital number, since it uses as much as digits as its factorization.

1213041234211 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 25.

Adding to 1213041234211 its reverse (1124321403121), we get a palindrome (2337362637332).

The spelling of 1213041234211 in words is "one trillion, two hundred thirteen billion, forty-one million, two hundred thirty-four thousand, two hundred eleven".