1351421012044 has 12 divisors (see below), whose sum is σ = 2393480588184. Its totient is φ = 667569415424.

The previous prime is 1351421012041. The next prime is 1351421012063. The reversal of 1351421012044 is 4402101241531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1351421012041) by changing a digit.

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, 2035272277 + ... + 2035272940.

It is an arithmetic number, because the mean of its divisors is an integer number (199456715682).

Almost surely, 2^{1351421012044} is an apocalyptic number.

It is an amenable number.

1351421012044 is a deficient number, since it is larger than the sum of its proper divisors (1042059576140).

1351421012044 is a wasteful number, since it uses less digits than its factorization.

1351421012044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070545304 (or 4070545302 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 1351421012044 its reverse (4402101241531), we get a palindrome (5753522253575).

The spelling of 1351421012044 in words is "one trillion, three hundred fifty-one billion, four hundred twenty-one million, twelve thousand, forty-four".