1031232122120 has 32 divisors (see below), whose sum is σ = 2322160320600. Its totient is φ = 412157196288.

The previous prime is 1031232122111. The next prime is 1031232122147. The reversal of 1031232122120 is 212212321301.

It can be written as a sum of positive squares in 4 ways, for example, as 1020588898564 + 10643223556 = 1010242^2 + 103166^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1031232122092 and 1031232122101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10439369 + ... + 10537688.

Almost surely, 2^{1031232122120} is an apocalyptic number.

1031232122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031232122120 is an abundant number, since it is smaller than the sum of its proper divisors (1290928198480).

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

1031232122120 is a wasteful number, since it uses less digits than its factorization.

1031232122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20978297 (or 20978293 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1031232122120 its reverse (212212321301), we get a palindrome (1243444443421).

The spelling of 1031232122120 in words is "one trillion, thirty-one billion, two hundred thirty-two million, one hundred twenty-two thousand, one hundred twenty".