1233412323220 has 96 divisors (see below), whose sum is σ = 3245690891520. Its totient is φ = 382488637440.

The previous prime is 1233412323203. The next prime is 1233412323229. The reversal of 1233412323220 is 223232143321.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233412323229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1729405 + ... + 2336164.

It is an arithmetic number, because the mean of its divisors is an integer number (33809280120).

Almost surely, 2^{1233412323220} is an apocalyptic number.

1233412323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233412323220 is an abundant number, since it is smaller than the sum of its proper divisors (2012278568300).

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

1233412323220 is a wasteful number, since it uses less digits than its factorization.

1233412323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065793 (or 4065791 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1233412323220 its reverse (223232143321), we get a palindrome (1456644466541).

The spelling of 1233412323220 in words is "one trillion, two hundred thirty-three billion, four hundred twelve million, three hundred twenty-three thousand, two hundred twenty".