12042455654450 has 144 divisors (see below), whose sum is σ = 24435102499776. Its totient is φ = 4413386016000.

The previous prime is 12042455654429. The next prime is 12042455654497. The reversal of 12042455654450 is 5445655424021.

It is a junction number, because it is equal to n+sod(n) for n = 12042455654395 and 12042455654404.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1943268752 + ... + 1943274948.

It is an arithmetic number, because the mean of its divisors is an integer number (169688211804).

Almost surely, 2^{12042455654450} is an apocalyptic number.

12042455654450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12042455654450 is an abundant number, since it is smaller than the sum of its proper divisors (12392646845326).

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

12042455654450 is a wasteful number, since it uses less digits than its factorization.

12042455654450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7909 (or 7891 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 47.

The spelling of 12042455654450 in words is "twelve trillion, forty-two billion, four hundred fifty-five million, six hundred fifty-four thousand, four hundred fifty".