1240120432132 has 48 divisors (see below), whose sum is σ = 2354524663680. Its totient is φ = 569514758400.

The previous prime is 1240120432129. The next prime is 1240120432147. The reversal of 1240120432132 is 2312340210421.

It is a junction number, because it is equal to n+sod(n) for n = 1240120432097 and 1240120432106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5457 + ... + 1574887.

It is an arithmetic number, because the mean of its divisors is an integer number (49052597160).

Almost surely, 2^{1240120432132} is an apocalyptic number.

It is an amenable number.

1240120432132 is a deficient number, since it is larger than the sum of its proper divisors (1114404231548).

1240120432132 is a wasteful number, since it uses less digits than its factorization.

1240120432132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569772 (or 1569770 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1240120432132 its reverse (2312340210421), we get a palindrome (3552460642553).

The spelling of 1240120432132 in words is "one trillion, two hundred forty billion, one hundred twenty million, four hundred thirty-two thousand, one hundred thirty-two".