12046242751440 has 80 divisors (see below), whose sum is σ = 37362672826368. Its totient is φ = 3210669439488.

The previous prime is 12046242751421. The next prime is 12046242751441. The reversal of 12046242751440 is 4415724264021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×12046242751440² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12046242751392 and 12046242751401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12046242751441) 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, 12519184 + ... + 13447023.

Almost surely, 2^{12046242751440} is an apocalyptic number.

12046242751440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12046242751440 is an abundant number, since it is smaller than the sum of its proper divisors (25316430074928).

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

12046242751440 is a wasteful number, since it uses less digits than its factorization.

12046242751440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25968156 (or 25968150 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The spelling of 12046242751440 in words is "twelve trillion, forty-six billion, two hundred forty-two million, seven hundred fifty-one thousand, four hundred forty".