212100311230 has 32 divisors (see below), whose sum is σ = 382986071424. Its totient is φ = 84572370336.

The previous prime is 212100311209. The next prime is 212100311251. The reversal of 212100311230 is 32113001212.

212100311230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212100311209) and next prime (212100311251).

It is a super-2 number, since 2×212100311230² (a number of 23 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 18465069 + ... + 18476551.

It is an arithmetic number, because the mean of its divisors is an integer number (11968314732).

Almost surely, 2^212100311230 is an apocalyptic number.

212100311230 is a deficient number, since it is larger than the sum of its proper divisors (170885760194).

212100311230 is a wasteful number, since it uses less digits than its factorization.

212100311230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17160.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212100311230 its reverse (32113001212), we get a palindrome (244213312442).

The spelling of 212100311230 in words is "two hundred twelve billion, one hundred million, three hundred eleven thousand, two hundred thirty".