12421625606140 has 48 divisors (see below), whose sum is σ = 26367444401760. Its totient is φ = 4915018860800.

The previous prime is 12421625606129. The next prime is 12421625606141. The reversal of 12421625606140 is 4160652612421.

It is a super-2 number, since 2×12421625606140² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12421625606093 and 12421625606102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12421625606141) 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, 532282 + ... + 5012641.

It is an arithmetic number, because the mean of its divisors is an integer number (549321758370).

Almost surely, 2^{12421625606140} is an apocalyptic number.

12421625606140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12421625606140 is an abundant number, since it is smaller than the sum of its proper divisors (13945818795620).

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

12421625606140 is a wasteful number, since it uses less digits than its factorization.

12421625606140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546142 (or 5546140 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 12421625606140 in words is "twelve trillion, four hundred twenty-one billion, six hundred twenty-five million, six hundred six thousand, one hundred forty".