1234440135512 has 32 divisors (see below), whose sum is σ = 2436454815600. Its totient is φ = 584720446464.

The previous prime is 1234440135473. The next prime is 1234440135541. The reversal of 1234440135512 is 2155310444321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8603948 + ... + 8746244.

Almost surely, 2^{1234440135512} is an apocalyptic number.

It is an amenable number.

1234440135512 is a deficient number, since it is larger than the sum of its proper divisors (1202014680088).

1234440135512 is a wasteful number, since it uses less digits than its factorization.

1234440135512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199395 (or 199391 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 1234440135512 its reverse (2155310444321), we get a palindrome (3389750579833).

The spelling of 1234440135512 in words is "one trillion, two hundred thirty-four billion, four hundred forty million, one hundred thirty-five thousand, five hundred twelve".