1213000951177 has 2 divisors, whose sum is σ = 1213000951178. Its totient is φ = 1213000951176.

The previous prime is 1213000951121. The next prime is 1213000951181. The reversal of 1213000951177 is 7711590003121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 734373585936 + 478627365241 = 856956^2 + 691829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1213000951177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213000951187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606500475588 + 606500475589.

It is an arithmetic number, because the mean of its divisors is an integer number (606500475589).

Almost surely, 2^{1213000951177} is an apocalyptic number.

It is an amenable number.

1213000951177 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213000951177 is an equidigital number, since it uses as much as digits as its factorization.

1213000951177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 37.

Adding to 1213000951177 its reverse (7711590003121), we get a palindrome (8924590954298).

The spelling of 1213000951177 in words is "one trillion, two hundred thirteen billion, nine hundred fifty-one thousand, one hundred seventy-seven".