1233422521320 has 256 divisors, whose sum is σ = 4421491142400. Its totient is φ = 271718236160.

The previous prime is 1233422521301. The next prime is 1233422521327. The reversal of 1233422521320 is 231252243321.

It is a super-2 number, since 2×1233422521320² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1233422521327) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 296919 + ... + 1598438.

It is an arithmetic number, because the mean of its divisors is an integer number (17271449775).

Almost surely, 2^{1233422521320} is an apocalyptic number.

1233422521320 is a gapful number since it is divisible by the number (10) 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 1233422521320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2210745571200).

1233422521320 is an abundant number, since it is smaller than the sum of its proper divisors (3188068621080).

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

1233422521320 is a wasteful number, since it uses less digits than its factorization.

1233422521320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895428 (or 1895424 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1233422521320 its reverse (231252243321), we get a palindrome (1464674764641).

The spelling of 1233422521320 in words is "one trillion, two hundred thirty-three billion, four hundred twenty-two million, five hundred twenty-one thousand, three hundred twenty".