340321121300 has 36 divisors (see below), whose sum is σ = 738852160956. Its totient is φ = 136062950400.

The previous prime is 340321121263. The next prime is 340321121303. The reversal of 340321121300 is 3121123043.

It can be written as a sum of positive squares in 6 ways, for example, as 64036326916 + 276284794384 = 253054^2 + 525628^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340321121303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 609587 + ... + 1025786.

Almost surely, 2^340321121300 is an apocalyptic number.

It is an amenable number.

340321121300 is an abundant number, since it is smaller than the sum of its proper divisors (398531039656).

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

340321121300 is a wasteful number, since it uses less digits than its factorization.

340321121300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637468 (or 1637461 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 340321121300 its reverse (3121123043), we get a palindrome (343442244343).

The spelling of 340321121300 in words is "three hundred forty billion, three hundred twenty-one million, one hundred twenty-one thousand, three hundred".