1031012212120 has 128 divisors (see below), whose sum is σ = 2600236961280. Its totient is φ = 364662144000.

The previous prime is 1031012212093. The next prime is 1031012212129. The reversal of 1031012212120 is 212122101301.

1031012212120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1031012212094 and 1031012212103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031012212129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5884909 + ... + 6057571.

It is an arithmetic number, because the mean of its divisors is an integer number (20314351260).

Almost surely, 2^{1031012212120} is an apocalyptic number.

1031012212120 is a gapful number since it is divisible by the number (10) 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 1031012212120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1300118480640).

1031012212120 is an abundant number, since it is smaller than the sum of its proper divisors (1569224749160).

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

1031012212120 is a wasteful number, since it uses less digits than its factorization.

1031012212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173057 (or 173053 counting only the distinct ones).

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

Adding to 1031012212120 its reverse (212122101301), we get a palindrome (1243134313421).

The spelling of 1031012212120 in words is "one trillion, thirty-one billion, twelve million, two hundred twelve thousand, one hundred twenty".