1122012210 has 64 divisors (see below), whose sum is σ = 2964677760. Its totient is φ = 269498880.

The previous prime is 1122012193. The next prime is 1122012239. The reversal of 1122012210 is 122102211.

It is a super-2 number, since 2×1122012210² = 2517822798778168200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20374 + ... + 51566.

It is an arithmetic number, because the mean of its divisors is an integer number (46323090).

Almost surely, 2^1122012210 is an apocalyptic number.

1122012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122012210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1482338880).

1122012210 is an abundant number, since it is smaller than the sum of its proper divisors (1842665550).

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

1122012210 is a wasteful number, since it uses less digits than its factorization.

1122012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31323.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1122012210 is about 33496.4507075003. The cubic root of 1122012210 is about 1039.1203761766.

Adding to 1122012210 its reverse (122102211), we get a palindrome (1244114421).

Subtracting from 1122012210 its reverse (122102211), we obtain a palindrome (999909999).

It can be divided in two parts, 112201 and 2210, that added together give a palindrome (114411).

The spelling of 1122012210 in words is "one billion, one hundred twenty-two million, twelve thousand, two hundred ten".