1200243300340 has 96 divisors (see below), whose sum is σ = 2901884993280. Its totient is φ = 408479791104.

The previous prime is 1200243300301. The next prime is 1200243300353. The reversal of 1200243300340 is 430033420021.

It is a happy number.

It is a super-2 number, since 2×1200243300340² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10653826 + ... + 10765894.

It is an arithmetic number, because the mean of its divisors is an integer number (30227968680).

Almost surely, 2^{1200243300340} is an apocalyptic number.

1200243300340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200243300340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1450942496640).

1200243300340 is an abundant number, since it is smaller than the sum of its proper divisors (1701641692940).

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

1200243300340 is a wasteful number, since it uses less digits than its factorization.

1200243300340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112649 (or 112647 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 1200243300340 its reverse (430033420021), we get a palindrome (1630276720361).

The spelling of 1200243300340 in words is "one trillion, two hundred billion, two hundred forty-three million, three hundred thousand, three hundred forty".