210031200112 has 20 divisors (see below), whose sum is σ = 406945331560. Its totient is φ = 105013050048.

The previous prime is 210031200101. The next prime is 210031200139. The reversal of 210031200112 is 211002130012.

It is a super-2 number, since 2×210031200112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210031200092 and 210031200101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642343 + ... + 912505.

It is an arithmetic number, because the mean of its divisors is an integer number (20347266578).

Almost surely, 2^210031200112 is an apocalyptic number.

It is an amenable number.

210031200112 is a deficient number, since it is larger than the sum of its proper divisors (196914131448).

210031200112 is a wasteful number, since it uses less digits than its factorization.

210031200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318760 (or 318754 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 210031200112 its reverse (211002130012), we get a palindrome (421033330124).

The spelling of 210031200112 in words is "two hundred ten billion, thirty-one million, two hundred thousand, one hundred twelve".