1230400441212 has 12 divisors (see below), whose sum is σ = 2870934362856. Its totient is φ = 410133480400.

The previous prime is 1230400441189. The next prime is 1230400441213. The reversal of 1230400441212 is 2121440040321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230400441213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51266685039 + ... + 51266685062.

It is an arithmetic number, because the mean of its divisors is an integer number (239244530238).

Almost surely, 2^{1230400441212} is an apocalyptic number.

1230400441212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230400441212 is an abundant number, since it is smaller than the sum of its proper divisors (1640533921644).

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

1230400441212 is a wasteful number, since it uses less digits than its factorization.

1230400441212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102533370108 (or 102533370106 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1230400441212 its reverse (2121440040321), we get a palindrome (3351840481533).

The spelling of 1230400441212 in words is "one trillion, two hundred thirty billion, four hundred million, four hundred forty-one thousand, two hundred twelve".