10121011012012 has 24 divisors (see below), whose sum is σ = 18492353510400. Its totient is φ = 4837731611856.

The previous prime is 10121011011959. The next prime is 10121011012087. The reversal of 10121011012012 is 21021011012101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10121011011983 and 10121011012001.

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, 31109062 + ... + 31432717.

It is an arithmetic number, because the mean of its divisors is an integer number (770514729600).

Almost surely, 2^{10121011012012} is an apocalyptic number.

It is an amenable number.

10121011012012 is a deficient number, since it is larger than the sum of its proper divisors (8371342498388).

10121011012012 is a wasteful number, since it uses less digits than its factorization.

10121011012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62543565 (or 62543563 counting only the distinct ones).

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

Adding to 10121011012012 its reverse (21021011012101), we get a palindrome (31142022024113).

The spelling of 10121011012012 in words is "ten trillion, one hundred twenty-one billion, eleven million, twelve thousand, twelve".