1200341240505 has 192 divisors, whose sum is σ = 2446685429760. Its totient is φ = 537910732800.

The previous prime is 1200341240491. The next prime is 1200341240519. The reversal of 1200341240505 is 5050421430021.

1200341240505 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 34 + 124 + 0 + 505 = 666.

It is an interprime number because it is at equal distance from previous prime (1200341240491) and next prime (1200341240519).

It is not a de Polignac number, because 1200341240505 - 2²³ = 1200332851897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 157129476 + ... + 157137114.

It is an arithmetic number, because the mean of its divisors is an integer number (12743153280).

Almost surely, 2^{1200341240505} is an apocalyptic number.

1200341240505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1200341240505 is an abundant number, since it is smaller than the sum of its proper divisors (1246344189255).

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

1200341240505 is a wasteful number, since it uses less digits than its factorization.

1200341240505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8012 (or 8009 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 1200341240505 its reverse (5050421430021), we get a palindrome (6250762670526).

The spelling of 1200341240505 in words is "one trillion, two hundred billion, three hundred forty-one million, two hundred forty thousand, five hundred five".