1362212321 has 4 divisors (see below), whose sum is σ = 1363108272. Its totient is φ = 1361316372.

The previous prime is 1362212303. The next prime is 1362212333. The reversal of 1362212321 is 1232122631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1362212321 - 2¹⁰ = 1362211297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1362212021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445691 + ... + 448736.

It is an arithmetic number, because the mean of its divisors is an integer number (340777068).

Almost surely, 2^1362212321 is an apocalyptic number.

It is an amenable number.

1362212321 is a deficient number, since it is larger than the sum of its proper divisors (895951).

1362212321 is an equidigital number, since it uses as much as digits as its factorization.

1362212321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895950.

The product of its digits is 864, while the sum is 23.

The square root of 1362212321 is about 36908.1606287824. The cubic root of 1362212321 is about 1108.5320858080.

Adding to 1362212321 its reverse (1232122631), we get a palindrome (2594334952).

The spelling of 1362212321 in words is "one billion, three hundred sixty-two million, two hundred twelve thousand, three hundred twenty-one".