1022131110012 has 48 divisors (see below), whose sum is σ = 2488770869760. Its totient is φ = 325883280448.

The previous prime is 1022131109981. The next prime is 1022131110017. The reversal of 1022131110012 is 2100111312201.

It is a junction number, because it is equal to n+sod(n) for n = 1022131109973 and 1022131110000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022131110017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8126233 + ... + 8251055.

It is an arithmetic number, because the mean of its divisors is an integer number (51849393120).

Almost surely, 2^{1022131110012} is an apocalyptic number.

1022131110012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022131110012 is an abundant number, since it is smaller than the sum of its proper divisors (1466639759748).

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

1022131110012 is a wasteful number, since it uses less digits than its factorization.

1022131110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154522 (or 154520 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1022131110012 its reverse (2100111312201), we get a palindrome (3122242422213).

The spelling of 1022131110012 in words is "one trillion, twenty-two billion, one hundred thirty-one million, one hundred ten thousand, twelve".