212881484 has 6 divisors (see below), whose sum is σ = 372542604. Its totient is φ = 106440740.

The previous prime is 212881477. The next prime is 212881507. The reversal of 212881484 is 484188212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26610182 + ... + 26610189.

It is an arithmetic number, because the mean of its divisors is an integer number (62090434).

Almost surely, 2^212881484 is an apocalyptic number.

It is an amenable number.

212881484 is a deficient number, since it is larger than the sum of its proper divisors (159661120).

212881484 is a wasteful number, since it uses less digits than its factorization.

212881484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53220375 (or 53220373 counting only the distinct ones).

The product of its digits is 32768, while the sum is 38.

The square root of 212881484 is about 14590.4586631127. The cubic root of 212881484 is about 597.0984764046.

The spelling of 212881484 in words is "two hundred twelve million, eight hundred eighty-one thousand, four hundred eighty-four".