212929755 has 8 divisors (see below), whose sum is σ = 340687632. Its totient is φ = 113562528.

The previous prime is 212929753. The next prime is 212929757. The reversal of 212929755 is 557929212.

212929755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212929753) and next prime (212929757).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212929755 - 2¹ = 212929753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212929753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7097644 + ... + 7097673.

It is an arithmetic number, because the mean of its divisors is an integer number (42585954).

Almost surely, 2^212929755 is an apocalyptic number.

212929755 is a deficient number, since it is larger than the sum of its proper divisors (127757877).

212929755 is a wasteful number, since it uses less digits than its factorization.

212929755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14195325.

The product of its digits is 113400, while the sum is 42.

The square root of 212929755 is about 14592.1127668340. The cubic root of 212929755 is about 597.1436038025.

The spelling of 212929755 in words is "two hundred twelve million, nine hundred twenty-nine thousand, seven hundred fifty-five".