212660132 has 24 divisors (see below), whose sum is σ = 385560000. Its totient is φ = 102511136.

The previous prime is 212660117. The next prime is 212660137. The reversal of 212660132 is 231066212.

It is a junction number, because it is equal to n+sod(n) for n = 212660098 and 212660107.

It is not an unprimeable number, because it can be changed into a prime (212660137) 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, 141119 + ... + 142617.

It is an arithmetic number, because the mean of its divisors is an integer number (16065000).

Almost surely, 2^212660132 is an apocalyptic number.

It is an amenable number.

212660132 is a deficient number, since it is larger than the sum of its proper divisors (172899868).

212660132 is a wasteful number, since it uses less digits than its factorization.

212660132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755 (or 2753 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 212660132 is about 14582.8711850582. The cubic root of 212660132 is about 596.8914523283.

The spelling of 212660132 in words is "two hundred twelve million, six hundred sixty thousand, one hundred thirty-two".