12054051553420 has 12 divisors (see below), whose sum is σ = 25313508262224. Its totient is φ = 4821620621360.

The previous prime is 12054051553367. The next prime is 12054051553429. The reversal of 12054051553420 is 2435515045021.

It is a super-2 number, since 2×12054051553420² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12054051553420.

It is not an unprimeable number, because it can be changed into a prime (12054051553429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301351288816 + ... + 301351288855.

It is an arithmetic number, because the mean of its divisors is an integer number (2109459021852).

Almost surely, 2^{12054051553420} is an apocalyptic number.

12054051553420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12054051553420 is an abundant number, since it is smaller than the sum of its proper divisors (13259456708804).

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

12054051553420 is a wasteful number, since it uses less digits than its factorization.

12054051553420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602702577680 (or 602702577678 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 12054051553420 its reverse (2435515045021), we get a palindrome (14489566598441).

The spelling of 12054051553420 in words is "twelve trillion, fifty-four billion, fifty-one million, five hundred fifty-three thousand, four hundred twenty".