1240412134411 has 4 divisors (see below), whose sum is σ = 1253199888472. Its totient is φ = 1227624380352.

The previous prime is 1240412134391. The next prime is 1240412134469. The reversal of 1240412134411 is 1144312140421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1240412134411 - 2²¹ = 1240410037259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1240412134411.

It is not an unprimeable number, because it can be changed into a prime (1240422134411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6393876885 + ... + 6393877078.

It is an arithmetic number, because the mean of its divisors is an integer number (313299972118).

Almost surely, 2^{1240412134411} is an apocalyptic number.

1240412134411 is a deficient number, since it is larger than the sum of its proper divisors (12787754061).

1240412134411 is an equidigital number, since it uses as much as digits as its factorization.

1240412134411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12787754060.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 1240412134411 its reverse (1144312140421), we get a palindrome (2384724274832).

The spelling of 1240412134411 in words is "one trillion, two hundred forty billion, four hundred twelve million, one hundred thirty-four thousand, four hundred eleven".