212130955519619 has 2 divisors, whose sum is σ = 212130955519620. Its totient is φ = 212130955519618.

The previous prime is 212130955519583. The next prime is 212130955519697. The reversal of 212130955519619 is 916915559031212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212130955519619 is a prime.

It is a super-2 number, since 2×212130955519619² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212130955519699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106065477759809 + 106065477759810.

It is an arithmetic number, because the mean of its divisors is an integer number (106065477759810).

Almost surely, 2^{212130955519619} is an apocalyptic number.

212130955519619 is a deficient number, since it is larger than the sum of its proper divisors (1).

212130955519619 is an equidigital number, since it uses as much as digits as its factorization.

212130955519619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6561000, while the sum is 59.

The spelling of 212130955519619 in words is "two hundred twelve trillion, one hundred thirty billion, nine hundred fifty-five million, five hundred nineteen thousand, six hundred nineteen".