1012100121112 has 32 divisors (see below), whose sum is σ = 1900851865920. Its totient is φ = 505206617760.

The previous prime is 1012100121079. The next prime is 1012100121121. The reversal of 1012100121112 is 2111210012101.

It is a happy number.

1012100121112 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 = 1012100121092 and 1012100121101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28877343 + ... + 28912369.

It is an arithmetic number, because the mean of its divisors is an integer number (59401620810).

Almost surely, 2^{1012100121112} is an apocalyptic number.

It is an amenable number.

1012100121112 is a deficient number, since it is larger than the sum of its proper divisors (888751744808).

1012100121112 is a wasteful number, since it uses less digits than its factorization.

1012100121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40951 (or 40947 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1012100121112 its reverse (2111210012101), we get a palindrome (3123310133213).

The spelling of 1012100121112 in words is "one trillion, twelve billion, one hundred million, one hundred twenty-one thousand, one hundred twelve".