1144402121332 has 6 divisors (see below), whose sum is σ = 2002703712338. Its totient is φ = 572201060664.

The previous prime is 1144402121323. The next prime is 1144402121449. The reversal of 1144402121332 is 2331212044411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 763026708196 + 381375413136 = 873514^2 + 617556^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1144402121332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143050265163 + ... + 143050265170.

Almost surely, 2^{1144402121332} is an apocalyptic number.

It is an amenable number.

1144402121332 is a deficient number, since it is larger than the sum of its proper divisors (858301591006).

1144402121332 is a wasteful number, since it uses less digits than its factorization.

1144402121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286100530337 (or 286100530335 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1144402121332 its reverse (2331212044411), we get a palindrome (3475614165743).

The spelling of 1144402121332 in words is "one trillion, one hundred forty-four billion, four hundred two million, one hundred twenty-one thousand, three hundred thirty-two".