10211221002012 has 24 divisors (see below), whose sum is σ = 23829327090576. Its totient is φ = 3403291083648.

The previous prime is 10211221001987. The next prime is 10211221002089. The reversal of 10211221002012 is 21020012211201.

10211221002012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10211221001982 and 10211221002000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56061583 + ... + 56243430.

It is an arithmetic number, because the mean of its divisors is an integer number (992888628774).

Almost surely, 2^{10211221002012} is an apocalyptic number.

10211221002012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10211221002012 is an abundant number, since it is smaller than the sum of its proper divisors (13618106088564).

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

10211221002012 is a wasteful number, since it uses less digits than its factorization.

10211221002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112312597 (or 112312595 counting only the distinct ones).

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

Adding to 10211221002012 its reverse (21020012211201), we get a palindrome (31231233213213).

The spelling of 10211221002012 in words is "ten trillion, two hundred eleven billion, two hundred twenty-one million, two thousand, twelve".