221424012260000 has 240 divisors, whose sum is σ = 602627634278208. Its totient is φ = 79383763200000.

The previous prime is 221424012259927. The next prime is 221424012260083. The reversal of 221424012260000 is 62210424122.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8532164 + ... + 22707836.

Almost surely, 2^{221424012260000} is an apocalyptic number.

221424012260000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221424012260000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301313817139104).

221424012260000 is an abundant number, since it is smaller than the sum of its proper divisors (381203622018208).

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

221424012260000 is a wasteful number, since it uses less digits than its factorization.

221424012260000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14175785 (or 14175762 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 221424012260000 its reverse (62210424122), we get a palindrome (221486222684122).

The spelling of 221424012260000 in words is "two hundred twenty-one trillion, four hundred twenty-four billion, twelve million, two hundred sixty thousand".