1242132234140 has 24 divisors (see below), whose sum is σ = 2981117362272. Its totient is φ = 425873908800.

The previous prime is 1242132234139. The next prime is 1242132234163. The reversal of 1242132234140 is 414322312421.

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, 4436186411 + ... + 4436186690.

It is an arithmetic number, because the mean of its divisors is an integer number (124213223428).

Almost surely, 2^{1242132234140} is an apocalyptic number.

1242132234140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242132234140 is an abundant number, since it is smaller than the sum of its proper divisors (1738985128132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242132234140 is a wasteful number, since it uses less digits than its factorization.

1242132234140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8872373117 (or 8872373115 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1242132234140 its reverse (414322312421), we get a palindrome (1656454546561).

The spelling of 1242132234140 in words is "one trillion, two hundred forty-two billion, one hundred thirty-two million, two hundred thirty-four thousand, one hundred forty".