213231012121219 has 2 divisors, whose sum is σ = 213231012121220. Its totient is φ = 213231012121218.

The previous prime is 213231012121207. The next prime is 213231012121271. The reversal of 213231012121219 is 912121210132312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213231012121219 - 2⁷ = 213231012121091 is a prime.

It is a super-2 number, since 2×213231012121219² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213231012121619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106615506060609 + 106615506060610.

It is an arithmetic number, because the mean of its divisors is an integer number (106615506060610).

Almost surely, 2^{213231012121219} is an apocalyptic number.

213231012121219 is a deficient number, since it is larger than the sum of its proper divisors (1).

213231012121219 is an equidigital number, since it uses as much as digits as its factorization.

213231012121219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 213231012121219 in words is "two hundred thirteen trillion, two hundred thirty-one billion, twelve million, one hundred twenty-one thousand, two hundred nineteen".