1321210230310 has 16 divisors (see below), whose sum is σ = 2378362418352. Its totient is φ = 528443202400.

The previous prime is 1321210230293. The next prime is 1321210230323. The reversal of 1321210230310 is 130320121231.

It is a super-2 number, since 2×1321210230310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4975336 + ... + 5234155.

It is an arithmetic number, because the mean of its divisors is an integer number (148647651147).

Almost surely, 2^{1321210230310} is an apocalyptic number.

1321210230310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321210230310 is a deficient number, since it is larger than the sum of its proper divisors (1057152188042).

1321210230310 is a wasteful number, since it uses less digits than its factorization.

1321210230310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10222439.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1321210230310 its reverse (130320121231), we get a palindrome (1451530351541).

The spelling of 1321210230310 in words is "one trillion, three hundred twenty-one billion, two hundred ten million, two hundred thirty thousand, three hundred ten".