364312132021221 has 16 divisors (see below), whose sum is σ = 541392642014400. Its totient is φ = 216557056804608.

The previous prime is 364312132021163. The next prime is 364312132021223. The reversal of 364312132021221 is 122120231213463.

It is a happy number.

It is not a de Polignac number, because 364312132021221 - 2¹³ = 364312132013029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (364312132021223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187983555286 + ... + 187983557223.

It is an arithmetic number, because the mean of its divisors is an integer number (33837040125900).

Almost surely, 2^{364312132021221} is an apocalyptic number.

It is an amenable number.

364312132021221 is a deficient number, since it is larger than the sum of its proper divisors (177080509993179).

364312132021221 is a wasteful number, since it uses less digits than its factorization.

364312132021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375967112548.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 364312132021221 its reverse (122120231213463), we get a palindrome (486432363234684).

The spelling of 364312132021221 in words is "three hundred sixty-four trillion, three hundred twelve billion, one hundred thirty-two million, twenty-one thousand, two hundred twenty-one".