340210121221120 has 88 divisors (see below), whose sum is σ = 816304175238528. Its totient is φ = 136050937651200.

The previous prime is 340210121221081. The next prime is 340210121221129. The reversal of 340210121221120 is 21122121012043.

It is a junction number, because it is equal to n+sod(n) for n = 340210121221091 and 340210121221100.

It is not an unprimeable number, because it can be changed into a prime (340210121221129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12966675 + ... + 29129965.

Almost surely, 2^{340210121221120} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340210121221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408152087619264).

340210121221120 is an abundant number, since it is smaller than the sum of its proper divisors (476094054017408).

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

340210121221120 is a wasteful number, since it uses less digits than its factorization.

340210121221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16167427 (or 16167409 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 340210121221120 its reverse (21122121012043), we get a palindrome (361332242233163).

The spelling of 340210121221120 in words is "three hundred forty trillion, two hundred ten billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred twenty".