212901019 has 2 divisors, whose sum is σ = 212901020. Its totient is φ = 212901018.

The previous prime is 212900993. The next prime is 212901049. The reversal of 212901019 is 910109212.

212901019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212901019 - 2⁹ = 212900507 is a prime.

It is a super-2 number, since 2×212901019² = 90653687782476722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212900984 and 212901002.

It is not a weakly prime, because it can be changed into another prime (212901049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106450509 + 106450510.

It is an arithmetic number, because the mean of its divisors is an integer number (106450510).

Almost surely, 2^212901019 is an apocalyptic number.

212901019 is a deficient number, since it is larger than the sum of its proper divisors (1).

212901019 is an equidigital number, since it uses as much as digits as its factorization.

212901019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 212901019 is about 14591.1280920976. The cubic root of 212901019 is about 597.1167400283.

The spelling of 212901019 in words is "two hundred twelve million, nine hundred one thousand, nineteen".