1012403204412 has 24 divisors (see below), whose sum is σ = 2375928912336. Its totient is φ = 335517053568.

The previous prime is 1012403204357. The next prime is 1012403204413. The reversal of 1012403204412 is 2144023042101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012403204413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243832993 + ... + 243837144.

It is an arithmetic number, because the mean of its divisors is an integer number (98997038014).

Almost surely, 2^{1012403204412} is an apocalyptic number.

1012403204412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012403204412 is an abundant number, since it is smaller than the sum of its proper divisors (1363525707924).

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

1012403204412 is a wasteful number, since it uses less digits than its factorization.

1012403204412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487670317 (or 487670315 counting only the distinct ones).

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

Adding to 1012403204412 its reverse (2144023042101), we get a palindrome (3156426246513).

The spelling of 1012403204412 in words is "one trillion, twelve billion, four hundred three million, two hundred four thousand, four hundred twelve".