12014121252540 has 96 divisors (see below), whose sum is σ = 36698706261504. Its totient is φ = 2912432751360.

The previous prime is 12014121252533. The next prime is 12014121252557. The reversal of 12014121252540 is 4525212141021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12014121252498 and 12014121252507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25291497 + ... + 25762143.

It is an arithmetic number, because the mean of its divisors is an integer number (382278190224).

Almost surely, 2^{12014121252540} is an apocalyptic number.

12014121252540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12014121252540 is an abundant number, since it is smaller than the sum of its proper divisors (24684585008964).

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

12014121252540 is a wasteful number, since it uses less digits than its factorization.

12014121252540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509347 (or 509345 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 12014121252540 its reverse (4525212141021), we get a palindrome (16539333393561).

The spelling of 12014121252540 in words is "twelve trillion, fourteen billion, one hundred twenty-one million, two hundred fifty-two thousand, five hundred forty".