1031212012120 has 16 divisors (see below), whose sum is σ = 2320227027360. Its totient is φ = 412484804832.

The previous prime is 1031212012109. The next prime is 1031212012157. The reversal of 1031212012120 is 212102121301.

It is a junction number, because it is equal to n+sod(n) for n = 1031212012094 and 1031212012103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12890150112 + ... + 12890150191.

It is an arithmetic number, because the mean of its divisors is an integer number (145014189210).

Almost surely, 2^{1031212012120} is an apocalyptic number.

1031212012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031212012120 is an abundant number, since it is smaller than the sum of its proper divisors (1289015015240).

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

1031212012120 is a wasteful number, since it uses less digits than its factorization.

1031212012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25780300314 (or 25780300310 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1031212012120 its reverse (212102121301), we get a palindrome (1243314133421).

The spelling of 1031212012120 in words is "one trillion, thirty-one billion, two hundred twelve million, twelve thousand, one hundred twenty".