212481043 has 2 divisors, whose sum is σ = 212481044. Its totient is φ = 212481042.

The previous prime is 212481023. The next prime is 212481067. The reversal of 212481043 is 340184212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212481043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212480999 and 212481017.

It is not a weakly prime, because it can be changed into another prime (212481013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106240521 + 106240522.

It is an arithmetic number, because the mean of its divisors is an integer number (106240522).

Almost surely, 2^212481043 is an apocalyptic number.

212481043 is a deficient number, since it is larger than the sum of its proper divisors (1).

212481043 is an equidigital number, since it uses as much as digits as its factorization.

212481043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 212481043 is about 14576.7295028755. The cubic root of 212481043 is about 596.7238504471.

The spelling of 212481043 in words is "two hundred twelve million, four hundred eighty-one thousand, forty-three".