221412304457060 has 12 divisors (see below), whose sum is σ = 464965839359868. Its totient is φ = 88564921782816.

The previous prime is 221412304457027. The next prime is 221412304457077. The reversal of 221412304457060 is 60754403214122.

It can be written as a sum of positive squares in 2 ways, for example, as 92381470494784 + 129030833962276 = 9611528^2 + 11359174^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221412304456999 and 221412304457017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5535307611407 + ... + 5535307611446.

It is an arithmetic number, because the mean of its divisors is an integer number (38747153279989).

Almost surely, 2^{221412304457060} is an apocalyptic number.

221412304457060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221412304457060 is an abundant number, since it is smaller than the sum of its proper divisors (243553534902808).

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

221412304457060 is a wasteful number, since it uses less digits than its factorization.

221412304457060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11070615222862 (or 11070615222860 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 221412304457060 in words is "two hundred twenty-one trillion, four hundred twelve billion, three hundred four million, four hundred fifty-seven thousand, sixty".