1240121021332 has 12 divisors (see below), whose sum is σ = 2180497152736. Its totient is φ = 617121834840.

The previous prime is 1240121021327. The next prime is 1240121021353. The reversal of 1240121021332 is 2331201210421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734668008 + ... + 734669695.

Almost surely, 2^{1240121021332} is an apocalyptic number.

It is an amenable number.

1240121021332 is a deficient number, since it is larger than the sum of its proper divisors (940376131404).

1240121021332 is a wasteful number, since it uses less digits than its factorization.

1240121021332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469337918 (or 1469337916 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1240121021332 its reverse (2331201210421), we get a palindrome (3571322231753).

The spelling of 1240121021332 in words is "one trillion, two hundred forty billion, one hundred twenty-one million, twenty-one thousand, three hundred thirty-two".