1012121011012 has 24 divisors (see below), whose sum is σ = 1808946437760. Its totient is φ = 495279758880.

The previous prime is 1012121010991. The next prime is 1012121011039. The reversal of 1012121011012 is 2101101212101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1012121010983 and 1012121011001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13570062 + ... + 13644442.

It is an arithmetic number, because the mean of its divisors is an integer number (75372768240).

Almost surely, 2^{1012121011012} is an apocalyptic number.

It is an amenable number.

1012121011012 is a deficient number, since it is larger than the sum of its proper divisors (796825426748).

1012121011012 is a wasteful number, since it uses less digits than its factorization.

1012121011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146811 (or 146809 counting only the distinct ones).

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

Adding to 1012121011012 its reverse (2101101212101), we get a palindrome (3113222223113).

The spelling of 1012121011012 in words is "one trillion, twelve billion, one hundred twenty-one million, eleven thousand, twelve".