1233220231344 has 160 divisors (see below), whose sum is σ = 3384301390848. Its totient is φ = 386128512000.

The previous prime is 1233220231337. The next prime is 1233220231381. The reversal of 1233220231344 is 4431320223321.

It is a happy number.

It is a super-2 number, since 2×1233220231344² (a number of 25 digits) contains 22 as substring.

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, 42479554 + ... + 42508574.

Almost surely, 2^{1233220231344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1233220231344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1692150695424).

1233220231344 is an abundant number, since it is smaller than the sum of its proper divisors (2151081159504).

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

1233220231344 is a wasteful number, since it uses less digits than its factorization.

1233220231344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29747 (or 29741 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1233220231344 its reverse (4431320223321), we get a palindrome (5664540454665).

The spelling of 1233220231344 in words is "one trillion, two hundred thirty-three billion, two hundred twenty million, two hundred thirty-one thousand, three hundred forty-four".