12101420021412 has 12 divisors (see below), whose sum is σ = 28236646716656. Its totient is φ = 4033806673800.

The previous prime is 12101420021393. The next prime is 12101420021437. The reversal of 12101420021412 is 21412002410121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504225834214 + ... + 504225834237.

Almost surely, 2^{12101420021412} is an apocalyptic number.

12101420021412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12101420021412 is an abundant number, since it is smaller than the sum of its proper divisors (16135226695244).

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

12101420021412 is a wasteful number, since it uses less digits than its factorization.

12101420021412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008451668458 (or 1008451668456 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12101420021412 its reverse (21412002410121), we get a palindrome (33513422431533).

The spelling of 12101420021412 in words is "twelve trillion, one hundred one billion, four hundred twenty million, twenty-one thousand, four hundred twelve".