1210112205 has 16 divisors (see below), whose sum is σ = 1967921664. Its totient is φ = 634812480.

The previous prime is 1210112201. The next prime is 1210112213. The reversal of 1210112205 is 5022110121.

It is not a de Polignac number, because 1210112205 - 2² = 1210112201 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210112201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660349 + ... + 662178.

It is an arithmetic number, because the mean of its divisors is an integer number (122995104).

Almost surely, 2^1210112205 is an apocalyptic number.

1210112205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1210112205 is a deficient number, since it is larger than the sum of its proper divisors (757809459).

1210112205 is a wasteful number, since it uses less digits than its factorization.

1210112205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322596.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1210112205 is about 34786.6670579405. The cubic root of 1210112205 is about 1065.6351740127.

Adding to 1210112205 its reverse (5022110121), we get a palindrome (6232222326).

The spelling of 1210112205 in words is "one billion, two hundred ten million, one hundred twelve thousand, two hundred five".