1031322212120 has 32 divisors (see below), whose sum is σ = 2341010164320. Its totient is φ = 408878184960.

The previous prime is 1031322212101. The next prime is 1031322212161. The reversal of 1031322212120 is 212122231301.

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 = 1031322212092 and 1031322212101.

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, 114079796 + ... + 114088835.

It is an arithmetic number, because the mean of its divisors is an integer number (73156567635).

Almost surely, 2^{1031322212120} is an apocalyptic number.

1031322212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031322212120 is an abundant number, since it is smaller than the sum of its proper divisors (1309687952200).

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

1031322212120 is a wasteful number, since it uses less digits than its factorization.

1031322212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228168755 (or 228168751 counting only the distinct ones).

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

Adding to 1031322212120 its reverse (212122231301), we get a palindrome (1243444443421).

The spelling of 1031322212120 in words is "one trillion, thirty-one billion, three hundred twenty-two million, two hundred twelve thousand, one hundred twenty".