221412547510000 has 400 divisors, whose sum is σ = 668826902481408. Its totient is φ = 68961110400000.

The previous prime is 221412547509983. The next prime is 221412547510103. The reversal of 221412547510000 is 15745214122.

It is a tau number, because it is divible by the number of its divisors (400).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1057105285 + ... + 1057314715.

Almost surely, 2^{221412547510000} is an apocalyptic number.

221412547510000 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 221412547510000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334413451240704).

221412547510000 is an abundant number, since it is smaller than the sum of its proper divisors (447414354971408).

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

221412547510000 is a wasteful number, since it uses less digits than its factorization.

221412547510000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210850 (or 210829 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The spelling of 221412547510000 in words is "two hundred twenty-one trillion, four hundred twelve billion, five hundred forty-seven million, five hundred ten thousand".