1004402120412 has 48 divisors (see below), whose sum is σ = 2388111737760. Its totient is φ = 328444117248.

The previous prime is 1004402120411. The next prime is 1004402120417. The reversal of 1004402120412 is 2140212044001.

1004402120412 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004402120411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5437914 + ... + 5619582.

It is an arithmetic number, because the mean of its divisors is an integer number (49752327870).

Almost surely, 2^{1004402120412} is an apocalyptic number.

1004402120412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1004402120412 is an abundant number, since it is smaller than the sum of its proper divisors (1383709617348).

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

1004402120412 is a wasteful number, since it uses less digits than its factorization.

1004402120412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190422 (or 190420 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 1004402120412 its reverse (2140212044001), we get a palindrome (3144614164413).

The spelling of 1004402120412 in words is "one trillion, four billion, four hundred two million, one hundred twenty thousand, four hundred twelve".