210012132 has 24 divisors (see below), whose sum is σ = 534576672. Its totient is φ = 63640000.

The previous prime is 210012083. The next prime is 210012151. The reversal of 210012132 is 231210012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795369 + ... + 795632.

It is an arithmetic number, because the mean of its divisors is an integer number (22274028).

Almost surely, 2^210012132 is an apocalyptic number.

210012132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210012132 is an abundant number, since it is smaller than the sum of its proper divisors (324564540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210012132 is a wasteful number, since it uses less digits than its factorization.

210012132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591019 (or 1591017 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 210012132 is about 14491.7953339122. The cubic root of 210012132 is about 594.4036413513.

Adding to 210012132 its reverse (231210012), we get a palindrome (441222144).

The spelling of 210012132 in words is "two hundred ten million, twelve thousand, one hundred thirty-two".