212747036239 has 2 divisors, whose sum is σ = 212747036240. Its totient is φ = 212747036238.

The previous prime is 212747036209. The next prime is 212747036269. The reversal of 212747036239 is 932630747212.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (212747036209) and next prime (212747036269).

It is a cyclic number.

It is not a de Polignac number, because 212747036239 - 2⁷ = 212747036111 is a prime.

It is a super-2 number, since 2×212747036239² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212747036209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106373518119 + 106373518120.

It is an arithmetic number, because the mean of its divisors is an integer number (106373518120).

Almost surely, 2^212747036239 is an apocalyptic number.

212747036239 is a deficient number, since it is larger than the sum of its proper divisors (1).

212747036239 is an equidigital number, since it uses as much as digits as its factorization.

212747036239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 46.

The spelling of 212747036239 in words is "two hundred twelve billion, seven hundred forty-seven million, thirty-six thousand, two hundred thirty-nine".