1231222010 has 32 divisors (see below), whose sum is σ = 2287897920. Its totient is φ = 476759808.

The previous prime is 1231222007. The next prime is 1231222037. The reversal of 1231222010 is 102221321.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 35921 + ... + 61259.

It is an arithmetic number, because the mean of its divisors is an integer number (71496810).

Almost surely, 2^1231222010 is an apocalyptic number.

1231222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231222010 is a deficient number, since it is larger than the sum of its proper divisors (1056675910).

1231222010 is a wasteful number, since it uses less digits than its factorization.

1231222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25502.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1231222010 is about 35088.7732757929. The cubic root of 1231222010 is about 1071.7959793338.

Adding to 1231222010 its reverse (102221321), we get a palindrome (1333443331).

The spelling of 1231222010 in words is "one billion, two hundred thirty-one million, two hundred twenty-two thousand, ten".