212667039 has 48 divisors (see below), whose sum is σ = 358106112. Its totient is φ = 125139168.

The previous prime is 212667001. The next prime is 212667043. The reversal of 212667039 is 930766212.

It is not a de Polignac number, because 212667039 - 2¹⁵ = 212634271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212666994 and 212667012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212667089) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71194 + ... + 74120.

It is an arithmetic number, because the mean of its divisors is an integer number (7460544).

Almost surely, 2^212667039 is an apocalyptic number.

212667039 is a deficient number, since it is larger than the sum of its proper divisors (145439073).

212667039 is a wasteful number, since it uses less digits than its factorization.

212667039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978 (or 2966 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 212667039 is about 14583.1080020687. The cubic root of 212667039 is about 596.8979144150.

The spelling of 212667039 in words is "two hundred twelve million, six hundred sixty-seven thousand, thirty-nine".