1223021221032 has 128 divisors (see below), whose sum is σ = 3303115522560. Its totient is φ = 375130828800.

The previous prime is 1223021221003. The next prime is 1223021221049. The reversal of 1223021221032 is 2301221203221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319909473 + ... + 319913295.

It is an arithmetic number, because the mean of its divisors is an integer number (25805590020).

Almost surely, 2^{1223021221032} is an apocalyptic number.

1223021221032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223021221032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1651557761280).

1223021221032 is an abundant number, since it is smaller than the sum of its proper divisors (2080094301528).

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

1223021221032 is a wasteful number, since it uses less digits than its factorization.

1223021221032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6803 (or 6799 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1223021221032 its reverse (2301221203221), we get a palindrome (3524242424253).

The spelling of 1223021221032 in words is "one trillion, two hundred twenty-three billion, twenty-one million, two hundred twenty-one thousand, thirty-two".