212130031110 has 16 divisors (see below), whose sum is σ = 509112074736. Its totient is φ = 56568008288.

The previous prime is 212130031109. The next prime is 212130031129. The reversal of 212130031110 is 11130031212.

It is a happy number.

It is a super-3 number, since 3×212130031110³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212130031110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3535500489 + ... + 3535500548.

It is an arithmetic number, because the mean of its divisors is an integer number (31819504671).

Almost surely, 2^212130031110 is an apocalyptic number.

212130031110 is an abundant number, since it is smaller than the sum of its proper divisors (296982043626).

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

212130031110 is a wasteful number, since it uses less digits than its factorization.

212130031110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7071001047.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 212130031110 its reverse (11130031212), we get a palindrome (223260062322).

The spelling of 212130031110 in words is "two hundred twelve billion, one hundred thirty million, thirty-one thousand, one hundred ten".