1232003011212 has 192 divisors, whose sum is σ = 3454147200000. Its totient is φ = 378467873280.

The previous prime is 1232003011157. The next prime is 1232003011219. The reversal of 1232003011212 is 2121103002321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1232003011219) 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, 29341089 + ... + 29383047.

It is an arithmetic number, because the mean of its divisors is an integer number (17990350000).

Almost surely, 2^{1232003011212} is an apocalyptic number.

1232003011212 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 1232003011212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1727073600000).

1232003011212 is an abundant number, since it is smaller than the sum of its proper divisors (2222144188788).

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

1232003011212 is a wasteful number, since it uses less digits than its factorization.

1232003011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42381 (or 42373 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1232003011212 its reverse (2121103002321), we get a palindrome (3353106013533).

The spelling of 1232003011212 in words is "one trillion, two hundred thirty-two billion, three million, eleven thousand, two hundred twelve".