1233221010 has 128 divisors (see below), whose sum is σ = 3466727424. Its totient is φ = 274955520.

The previous prime is 1233220949. The next prime is 1233221029. The reversal of 1233221010 is 101223321.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1594984 + ... + 1595756.

It is an arithmetic number, because the mean of its divisors is an integer number (27083808).

Almost surely, 2^1233221010 is an apocalyptic number.

1233221010 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 1233221010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1733363712).

1233221010 is an abundant number, since it is smaller than the sum of its proper divisors (2233506414).

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

1233221010 is a wasteful number, since it uses less digits than its factorization.

1233221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1233221010 is about 35117.2466175809. The cubic root of 1233221010 is about 1072.3757181800.

Adding to 1233221010 its reverse (101223321), we get a palindrome (1334444331).

The spelling of 1233221010 in words is "one billion, two hundred thirty-three million, two hundred twenty-one thousand, ten".