1020112120012 has 24 divisors (see below), whose sum is σ = 1787327458560. Its totient is φ = 509447443200.

The previous prime is 1020112120009. The next prime is 1020112120019. The reversal of 1020112120012 is 2100212110201.

It is a junction number, because it is equal to n+sod(n) for n = 1020112119974 and 1020112120001.

It is not an unprimeable number, because it can be changed into a prime (1020112120019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13793838 + ... + 13867594.

It is an arithmetic number, because the mean of its divisors is an integer number (74471977440).

Almost surely, 2^{1020112120012} is an apocalyptic number.

It is an amenable number.

1020112120012 is a deficient number, since it is larger than the sum of its proper divisors (767215338548).

1020112120012 is a wasteful number, since it uses less digits than its factorization.

1020112120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77841 (or 77839 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1020112120012 its reverse (2100212110201), we get a palindrome (3120324230213).

The spelling of 1020112120012 in words is "one trillion, twenty billion, one hundred twelve million, one hundred twenty thousand, twelve".