212293019 has 2 divisors, whose sum is σ = 212293020. Its totient is φ = 212293018.

The previous prime is 212293007. The next prime is 212293049. The reversal of 212293019 is 910392212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212293019 is a prime.

It is a super-2 number, since 2×212293019² = 90136651832268722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212292982 and 212293000.

It is not a weakly prime, because it can be changed into another prime (212293049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106146509 + 106146510.

It is an arithmetic number, because the mean of its divisors is an integer number (106146510).

Almost surely, 2^212293019 is an apocalyptic number.

212293019 is a deficient number, since it is larger than the sum of its proper divisors (1).

212293019 is an equidigital number, since it uses as much as digits as its factorization.

212293019 is an evil number, because the sum of its binary digits is even.

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

The square root of 212293019 is about 14570.2786177890. The cubic root of 212293019 is about 596.5477853031.

The spelling of 212293019 in words is "two hundred twelve million, two hundred ninety-three thousand, nineteen".