212427943 has 8 divisors (see below), whose sum is σ = 261449888. Its totient is φ = 168074784.

The previous prime is 212427913. The next prime is 212427973. The reversal of 212427943 is 349724212.

212427943 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 (212427913) and next prime (212427973).

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

It is a cyclic number.

It is not a de Polignac number, because 212427943 - 2⁹ = 212427431 is a prime.

It is a super-2 number, since 2×212427943² = 90251261934422498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212427899 and 212427908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212427913) 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, 1167096 + ... + 1167277.

It is an arithmetic number, because the mean of its divisors is an integer number (32681236).

Almost surely, 2^212427943 is an apocalyptic number.

212427943 is a deficient number, since it is larger than the sum of its proper divisors (49021945).

212427943 is a wasteful number, since it uses less digits than its factorization.

212427943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334393.

The product of its digits is 24192, while the sum is 34.

The square root of 212427943 is about 14574.9079928485. The cubic root of 212427943 is about 596.6741382847.

The spelling of 212427943 in words is "two hundred twelve million, four hundred twenty-seven thousand, nine hundred forty-three".