212946135 has 16 divisors (see below), whose sum is σ = 341011296. Its totient is φ = 113472128.

The previous prime is 212946079. The next prime is 212946179. The reversal of 212946135 is 531649212.

It is a cyclic number.

It is not a de Polignac number, because 212946135 - 2⁷ = 212946007 is a prime.

It is a super-2 number, since 2×212946135² = 90692112822876450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212946096 and 212946105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13597 + ... + 24713.

It is an arithmetic number, because the mean of its divisors is an integer number (21313206).

Almost surely, 2^212946135 is an apocalyptic number.

212946135 is a deficient number, since it is larger than the sum of its proper divisors (128065161).

212946135 is a wasteful number, since it uses less digits than its factorization.

212946135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12402.

The product of its digits is 12960, while the sum is 33.

The square root of 212946135 is about 14592.6740181503. The cubic root of 212946135 is about 597.1589155210.

The spelling of 212946135 in words is "two hundred twelve million, nine hundred forty-six thousand, one hundred thirty-five".