1012102020112 has 10 divisors (see below), whose sum is σ = 1960947663998. Its totient is φ = 506051010048.

The previous prime is 1012102020107. The next prime is 1012102020113. The reversal of 1012102020112 is 2110202012101.

It can be written as a sum of positive squares in only one way, i.e., 668757586176 + 343344433936 = 817776^2 + 585956^2 .

It is a super-2 number, since 2×1012102020112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012102020092 and 1012102020101.

It is not an unprimeable number, because it can be changed into a prime (1012102020113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31628188113 + ... + 31628188144.

Almost surely, 2^{1012102020112} is an apocalyptic number.

It is an amenable number.

1012102020112 is a deficient number, since it is larger than the sum of its proper divisors (948845643886).

1012102020112 is an equidigital number, since it uses as much as digits as its factorization.

1012102020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63256376265 (or 63256376259 counting only the distinct ones).

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

Adding to 1012102020112 its reverse (2110202012101), we get a palindrome (3122304032213).

The spelling of 1012102020112 in words is "one trillion, twelve billion, one hundred two million, twenty thousand, one hundred twelve".