212111232019 has 2 divisors, whose sum is σ = 212111232020. Its totient is φ = 212111232018.

The previous prime is 212111231999. The next prime is 212111232043. The reversal of 212111232019 is 910232111212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212111232019 - 2¹⁷ = 212111100947 is a prime.

It is a super-2 number, since 2×212111232019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212111231984 and 212111232002.

It is not a weakly prime, because it can be changed into another prime (212111232059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106055616009 + 106055616010.

It is an arithmetic number, because the mean of its divisors is an integer number (106055616010).

Almost surely, 2^212111232019 is an apocalyptic number.

212111232019 is a deficient number, since it is larger than the sum of its proper divisors (1).

212111232019 is an equidigital number, since it uses as much as digits as its factorization.

212111232019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 212111232019 in words is "two hundred twelve billion, one hundred eleven million, two hundred thirty-two thousand, nineteen".