221412332134309 has 8 divisors (see below), whose sum is σ = 222179931905400. Its totient is φ = 220644813494976.

The previous prime is 221412332134271. The next prime is 221412332134321. The reversal of 221412332134309 is 903431233214122.

It can be written as a sum of positive squares in 4 ways, for example, as 34978021865284 + 186434310269025 = 5914222^2 + 13654095^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221412332134309 - 2²⁹ = 221411795263397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221412336134309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14812834 + ... + 25734115.

It is an arithmetic number, because the mean of its divisors is an integer number (27772491488175).

Almost surely, 2^{221412332134309} is an apocalyptic number.

It is an amenable number.

221412332134309 is a deficient number, since it is larger than the sum of its proper divisors (767599771091).

221412332134309 is a wasteful number, since it uses less digits than its factorization.

221412332134309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40565879.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 221412332134309 in words is "two hundred twenty-one trillion, four hundred twelve billion, three hundred thirty-two million, one hundred thirty-four thousand, three hundred nine".