10212001200021 has 16 divisors (see below), whose sum is σ = 14028679012544. Its totient is φ = 6602837814144.

The previous prime is 10212001200017. The next prime is 10212001200029. The reversal of 10212001200021 is 12000210021201.

10212001200021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10212001200021 - 2² = 10212001200017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212001200029) 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, 146930131 + ... + 146999616.

It is an arithmetic number, because the mean of its divisors is an integer number (876792438284).

Almost surely, 2^{10212001200021} is an apocalyptic number.

It is an amenable number.

10212001200021 is a deficient number, since it is larger than the sum of its proper divisors (3816677812523).

10212001200021 is a wasteful number, since it uses less digits than its factorization.

10212001200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293930100.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10212001200021 its reverse (12000210021201), we get a palindrome (22212211221222).

The spelling of 10212001200021 in words is "ten trillion, two hundred twelve billion, one million, two hundred thousand, twenty-one".