1231050550332 has 96 divisors (see below), whose sum is σ = 3044268236800. Its totient is φ = 386102987712.

The previous prime is 1231050550307. The next prime is 1231050550349. The reversal of 1231050550332 is 2330550501321.

It is a self number, because there is not a number n which added to its sum of digits gives 1231050550332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58225419 + ... + 58246557.

Almost surely, 2^{1231050550332} is an apocalyptic number.

1231050550332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1231050550332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522134118400).

1231050550332 is an abundant number, since it is smaller than the sum of its proper divisors (1813217686468).

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

1231050550332 is a wasteful number, since it uses less digits than its factorization.

1231050550332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22895 (or 22893 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 1231050550332 in words is "one trillion, two hundred thirty-one billion, fifty million, five hundred fifty thousand, three hundred thirty-two".