1305442100412 has 36 divisors (see below), whose sum is σ = 3318302562120. Its totient is φ = 432716373792.

The previous prime is 1305442100401. The next prime is 1305442100419. The reversal of 1305442100412 is 2140012445031.

1305442100412 is a `hidden beast` number, since 1 + 3 + 0 + 544 + 2 + 100 + 4 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×1305442100412³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305442100419) 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 11 ways as a sum of consecutive naturals, for example, 101284843 + ... + 101297730.

It is an arithmetic number, because the mean of its divisors is an integer number (92175071170).

Almost surely, 2^{1305442100412} is an apocalyptic number.

1305442100412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1305442100412 is an abundant number, since it is smaller than the sum of its proper divisors (2012860461708).

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

1305442100412 is a wasteful number, since it uses less digits than its factorization.

1305442100412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202582762 (or 202582757 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 1305442100412 its reverse (2140012445031), we get a palindrome (3445454545443).

The spelling of 1305442100412 in words is "one trillion, three hundred five billion, four hundred forty-two million, one hundred thousand, four hundred twelve".