231212010 has 16 divisors (see below), whose sum is σ = 554908896. Its totient is φ = 61656528.

The previous prime is 231211961. The next prime is 231212057. The reversal of 231212010 is 10212132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3853504 + ... + 3853563.

It is an arithmetic number, because the mean of its divisors is an integer number (34681806).

Almost surely, 2^231212010 is an apocalyptic number.

231212010 is an abundant number, since it is smaller than the sum of its proper divisors (323696886).

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

231212010 is a wasteful number, since it uses less digits than its factorization.

231212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7707077.

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

The square root of 231212010 is about 15205.6571709348. The cubic root of 231212010 is about 613.7668993180.

Adding to 231212010 its reverse (10212132), we get a palindrome (241424142).

The spelling of 231212010 in words is "two hundred thirty-one million, two hundred twelve thousand, ten".