212120231000 has 32 divisors (see below), whose sum is σ = 496361342880. Its totient is φ = 84848092000.

The previous prime is 212120230981. The next prime is 212120231003. The reversal of 212120231000 is 132021212.

It is a happy number.

212120231000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212120231000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212120231003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106059116 + ... + 106061115.

It is an arithmetic number, because the mean of its divisors is an integer number (15511291965).

Almost surely, 2^212120231000 is an apocalyptic number.

212120231000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212120231000 is an abundant number, since it is smaller than the sum of its proper divisors (284241111880).

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

212120231000 is a wasteful number, since it uses less digits than its factorization.

212120231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212120252 (or 212120238 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 212120231000 its reverse (132021212), we get a palindrome (212252252212).

The spelling of 212120231000 in words is "two hundred twelve billion, one hundred twenty million, two hundred thirty-one thousand".