1210324320340 has 48 divisors (see below), whose sum is σ = 2567876193792. Its totient is φ = 479165071616.

The previous prime is 1210324320313. The next prime is 1210324320367. The reversal of 1210324320340 is 430234230121.

It is an interprime number because it is at equal distance from previous prime (1210324320313) and next prime (1210324320367).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597 + ... + 1555843.

It is an arithmetic number, because the mean of its divisors is an integer number (53497420704).

Almost surely, 2^{1210324320340} is an apocalyptic number.

1210324320340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210324320340 is an abundant number, since it is smaller than the sum of its proper divisors (1357551873452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210324320340 is a wasteful number, since it uses less digits than its factorization.

1210324320340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555656 (or 1555654 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1210324320340 its reverse (430234230121), we get a palindrome (1640558550461).

The spelling of 1210324320340 in words is "one trillion, two hundred ten billion, three hundred twenty-four million, three hundred twenty thousand, three hundred forty".