10212245425221 has 16 divisors (see below), whose sum is σ = 15651467808384. Its totient is φ = 5801837200704.

The previous prime is 10212245425219. The next prime is 10212245425243. The reversal of 10212245425221 is 12252454221201.

It is a happy number.

It is not a de Polignac number, because 10212245425221 - 2¹ = 10212245425219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212245425271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1405480186 + ... + 1405487451.

It is an arithmetic number, because the mean of its divisors is an integer number (978216738024).

Almost surely, 2^{10212245425221} is an apocalyptic number.

It is an amenable number.

10212245425221 is a deficient number, since it is larger than the sum of its proper divisors (5439222383163).

10212245425221 is a wasteful number, since it uses less digits than its factorization.

10212245425221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810967820.

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 10212245425221 its reverse (12252454221201), we get a palindrome (22464699646422).

The spelling of 10212245425221 in words is "ten trillion, two hundred twelve billion, two hundred forty-five million, four hundred twenty-five thousand, two hundred twenty-one".