212076261 has 12 divisors (see below), whose sum is σ = 319651488. Its totient is φ = 135236904.

The previous prime is 212076259. The next prime is 212076269. The reversal of 212076261 is 162670212.

It is not a de Polignac number, because 212076261 - 2¹ = 212076259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212076269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 512055 + ... + 512468.

It is an arithmetic number, because the mean of its divisors is an integer number (26637624).

Almost surely, 2^212076261 is an apocalyptic number.

It is an amenable number.

212076261 is a deficient number, since it is larger than the sum of its proper divisors (107575227).

212076261 is a wasteful number, since it uses less digits than its factorization.

212076261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024552 (or 1024549 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 212076261 is about 14562.8383565842. The cubic root of 212076261 is about 596.3446846719.

The spelling of 212076261 in words is "two hundred twelve million, seventy-six thousand, two hundred sixty-one".