1243231422210 has 256 divisors, whose sum is σ = 3528737395200. Its totient is φ = 310393036800.

The previous prime is 1243231422187. The next prime is 1243231422211. The reversal of 1243231422210 is 122241323421.

1243231422210 is a `hidden beast` number, since 1 + 2 + 4 + 3 + 23 + 1 + 422 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1243231422211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 941128350 + ... + 941129670.

It is an arithmetic number, because the mean of its divisors is an integer number (13784130450).

Almost surely, 2^{1243231422210} is an apocalyptic number.

1243231422210 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 1243231422210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1764368697600).

1243231422210 is an abundant number, since it is smaller than the sum of its proper divisors (2285505972990).

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

1243231422210 is a wasteful number, since it uses less digits than its factorization.

1243231422210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274 (or 2268 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1243231422210 its reverse (122241323421), we get a palindrome (1365472745631).

The spelling of 1243231422210 in words is "one trillion, two hundred forty-three billion, two hundred thirty-one million, four hundred twenty-two thousand, two hundred ten".