212331131219 has 2 divisors, whose sum is σ = 212331131220. Its totient is φ = 212331131218.

The previous prime is 212331131203. The next prime is 212331131279. The reversal of 212331131219 is 912131133212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212331131219 - 2⁴ = 212331131203 is a prime.

It is a super-2 number, since 2×212331131219² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212331131191 and 212331131200.

It is not a weakly prime, because it can be changed into another prime (212331131279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106165565609 + 106165565610.

It is an arithmetic number, because the mean of its divisors is an integer number (106165565610).

Almost surely, 2^212331131219 is an apocalyptic number.

212331131219 is a deficient number, since it is larger than the sum of its proper divisors (1).

212331131219 is an equidigital number, since it uses as much as digits as its factorization.

212331131219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 29.

The spelling of 212331131219 in words is "two hundred twelve billion, three hundred thirty-one million, one hundred thirty-one thousand, two hundred nineteen".