10121022210012 has 48 divisors (see below), whose sum is σ = 27084761501952. Its totient is φ = 2881502530560.

The previous prime is 10121022209951. The next prime is 10121022210017. The reversal of 10121022210012 is 21001222012101.

It is a junction number, because it is equal to n+sod(n) for n = 10121022209973 and 10121022210000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121022210017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212853189 + ... + 212900732.

It is an arithmetic number, because the mean of its divisors is an integer number (564265864624).

Almost surely, 2^{10121022210012} is an apocalyptic number.

10121022210012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10121022210012 is an abundant number, since it is smaller than the sum of its proper divisors (16963739291940).

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

10121022210012 is a wasteful number, since it uses less digits than its factorization.

10121022210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425754218 (or 425754216 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10121022210012 its reverse (21001222012101), we get a palindrome (31122244222113).

The spelling of 10121022210012 in words is "ten trillion, one hundred twenty-one billion, twenty-two million, two hundred ten thousand, twelve".