10121103012 has 24 divisors (see below), whose sum is σ = 23914844800. Its totient is φ = 3330995616.

The previous prime is 10121103007. The next prime is 10121103019. The reversal of 10121103012 is 21030112101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (10121103019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5337187 + ... + 5339082.

Almost surely, 2^10121103012 is an apocalyptic number.

10121103012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10121103012 is an abundant number, since it is smaller than the sum of its proper divisors (13793741788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121103012 is a wasteful number, since it uses less digits than its factorization.

10121103012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10676355 (or 10676353 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 10121103012 its reverse (21030112101), we get a palindrome (31151215113).

The spelling of 10121103012 in words is "ten billion, one hundred twenty-one million, one hundred three thousand, twelve".