212743707 has 16 divisors (see below), whose sum is σ = 311058048. Its totient is φ = 128263680.

The previous prime is 212743639. The next prime is 212743717. The reversal of 212743707 is 707347212.

It is not a de Polignac number, because 212743707 - 2⁷ = 212743579 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (212743717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10333 + ... + 23070.

It is an arithmetic number, because the mean of its divisors is an integer number (19441128).

Almost surely, 2^212743707 is an apocalyptic number.

212743707 is a deficient number, since it is larger than the sum of its proper divisors (98314341).

212743707 is a wasteful number, since it uses less digits than its factorization.

212743707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33610.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 212743707 is about 14585.7364229579. The cubic root of 212743707 is about 596.9696344636.

The spelling of 212743707 in words is "two hundred twelve million, seven hundred forty-three thousand, seven hundred seven".