212140111230 has 48 divisors (see below), whose sum is σ = 551677932000. Its totient is φ = 56559040704.

The previous prime is 212140111193. The next prime is 212140111243. The reversal of 212140111230 is 32111041212.

212140111230 is a `hidden beast` number, since 2 + 1 + 21 + 401 + 11 + 230 = 666.

212140111230 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 2×212140111230² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 200896 + ... + 681644.

It is an arithmetic number, because the mean of its divisors is an integer number (11493290250).

Almost surely, 2^212140111230 is an apocalyptic number.

212140111230 is an abundant number, since it is smaller than the sum of its proper divisors (339537820770).

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

212140111230 is a wasteful number, since it uses less digits than its factorization.

212140111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485665 (or 485662 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 212140111230 its reverse (32111041212), we get a palindrome (244251152442).

The spelling of 212140111230 in words is "two hundred twelve billion, one hundred forty million, one hundred eleven thousand, two hundred thirty".