212301012 has 48 divisors (see below), whose sum is σ = 617605632. Its totient is φ = 55142880.

The previous prime is 212301007. The next prime is 212301013. The reversal of 212301012 is 210103212.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212301013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113958 + ... + 115805.

It is an arithmetic number, because the mean of its divisors is an integer number (12866784).

Almost surely, 2^212301012 is an apocalyptic number.

212301012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212301012 is an abundant number, since it is smaller than the sum of its proper divisors (405304620).

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

212301012 is a wasteful number, since it uses less digits than its factorization.

212301012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229788 (or 229786 counting only the distinct ones).

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

The square root of 212301012 is about 14570.5529064617. The cubic root of 212301012 is about 596.5552720411. Note that the first 3 decimals are identical.

Adding to 212301012 its reverse (210103212), we get a palindrome (422404224).

The spelling of 212301012 in words is "two hundred twelve million, three hundred one thousand, twelve".