1033212220320 has 144 divisors (see below), whose sum is σ = 3785984864928. Its totient is φ = 236162787840.

The previous prime is 1033212220301. The next prime is 1033212220331. The reversal of 1033212220320 is 230222123301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21941026 + ... + 21988065.

It is an arithmetic number, because the mean of its divisors is an integer number (26291561562).

Almost surely, 2^{1033212220320} is an apocalyptic number.

1033212220320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1033212220320 is an abundant number, since it is smaller than the sum of its proper divisors (2752772644608).

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

1033212220320 is a wasteful number, since it uses less digits than its factorization.

1033212220320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43929123 (or 43929108 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1033212220320 its reverse (230222123301), we get a palindrome (1263434343621).

The spelling of 1033212220320 in words is "one trillion, thirty-three billion, two hundred twelve million, two hundred twenty thousand, three hundred twenty".