321420234201242 has 16 divisors (see below), whose sum is σ = 526016981053152. Its totient is φ = 146084384839920.

The previous prime is 321420234201233. The next prime is 321420234201263. The reversal of 321420234201242 is 242102432024123.

It is a junction number, because it is equal to n+sod(n) for n = 321420234201199 and 321420234201208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785871668 + ... + 786280559.

It is an arithmetic number, because the mean of its divisors is an integer number (32876061315822).

Almost surely, 2^{321420234201242} is an apocalyptic number.

321420234201242 is a deficient number, since it is larger than the sum of its proper divisors (204596746851910).

321420234201242 is a wasteful number, since it uses less digits than its factorization.

321420234201242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572161533.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 321420234201242 its reverse (242102432024123), we get a palindrome (563522666225365).

The spelling of 321420234201242 in words is "three hundred twenty-one trillion, four hundred twenty billion, two hundred thirty-four million, two hundred one thousand, two hundred forty-two".