212480039 has 4 divisors (see below), whose sum is σ = 214543056. Its totient is φ = 210417024.

The previous prime is 212480033. The next prime is 212480053. The reversal of 212480039 is 930084212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212480039 - 2²⁰ = 211431463 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212479993 and 212480020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212480033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031354 + ... + 1031559.

It is an arithmetic number, because the mean of its divisors is an integer number (53635764).

Almost surely, 2^212480039 is an apocalyptic number.

212480039 is a deficient number, since it is larger than the sum of its proper divisors (2063017).

212480039 is a wasteful number, since it uses less digits than its factorization.

212480039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063016.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 212480039 is about 14576.6950643827. The cubic root of 212480039 is about 596.7229105802.

The spelling of 212480039 in words is "two hundred twelve million, four hundred eighty thousand, thirty-nine".