1254340240112 has 80 divisors (see below), whose sum is σ = 2533921345440. Its totient is φ = 600771526656.

The previous prime is 1254340240103. The next prime is 1254340240129. The reversal of 1254340240112 is 2110420434521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132407408 + ... + 132416880.

It is an arithmetic number, because the mean of its divisors is an integer number (31674016818).

Almost surely, 2^{1254340240112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1254340240112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1266960672720).

1254340240112 is an abundant number, since it is smaller than the sum of its proper divisors (1279581105328).

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

1254340240112 is a wasteful number, since it uses less digits than its factorization.

1254340240112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11730 (or 11724 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 1254340240112 its reverse (2110420434521), we get a palindrome (3364760674633).

The spelling of 1254340240112 in words is "one trillion, two hundred fifty-four billion, three hundred forty million, two hundred forty thousand, one hundred twelve".