10121120012 has 12 divisors (see below), whose sum is σ = 18123866376. Its totient is φ = 4942872480.

The previous prime is 10121120011. The next prime is 10121120021. The reversal of 10121120012 is 21002112101.

It is a super-3 number, since 3×10121120012³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10121119975 and 10121120002.

It is not an unprimeable number, because it can be changed into a prime (10121120011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29421689 + ... + 29422032.

It is an arithmetic number, because the mean of its divisors is an integer number (1510322198).

Almost surely, 2^10121120012 is an apocalyptic number.

It is an amenable number.

10121120012 is a deficient number, since it is larger than the sum of its proper divisors (8002746364).

10121120012 is a wasteful number, since it uses less digits than its factorization.

10121120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58843768 (or 58843766 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10121120012 its reverse (21002112101), we get a palindrome (31123232113).

The spelling of 10121120012 in words is "ten billion, one hundred twenty-one million, one hundred twenty thousand, twelve".