1240332213121 has 8 divisors (see below), whose sum is σ = 1298865613824. Its totient is φ = 1182182638560.

The previous prime is 1240332213037. The next prime is 1240332213137. The reversal of 1240332213121 is 1213122330421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1240332213121 - 2⁷ = 1240332212993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240332213221) 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, 95949921 + ... + 95962846.

It is an arithmetic number, because the mean of its divisors is an integer number (162358201728).

Almost surely, 2^{1240332213121} is an apocalyptic number.

It is an amenable number.

1240332213121 is a deficient number, since it is larger than the sum of its proper divisors (58533400703).

1240332213121 is a wasteful number, since it uses less digits than its factorization.

1240332213121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191913071.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1240332213121 its reverse (1213122330421), we get a palindrome (2453454543542).

The spelling of 1240332213121 in words is "one trillion, two hundred forty billion, three hundred thirty-two million, two hundred thirteen thousand, one hundred twenty-one".