10212221323461 has 16 divisors (see below), whose sum is σ = 13819718744000. Its totient is φ = 6706438599168.

The previous prime is 10212221323439. The next prime is 10212221323471. The reversal of 10212221323461 is 16432312221201.

It is a happy number.

It is not a de Polignac number, because 10212221323461 - 2⁵ = 10212221323429 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 (10212221323471) 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, 15670005 + ... + 16308693.

It is an arithmetic number, because the mean of its divisors is an integer number (863732421500).

Almost surely, 2^{10212221323461} is an apocalyptic number.

It is an amenable number.

10212221323461 is a deficient number, since it is larger than the sum of its proper divisors (3607497420539).

10212221323461 is an equidigital number, since it uses as much as digits as its factorization.

10212221323461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718308.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 10212221323461 its reverse (16432312221201), we get a palindrome (26644533544662).

The spelling of 10212221323461 in words is "ten trillion, two hundred twelve billion, two hundred twenty-one million, three hundred twenty-three thousand, four hundred sixty-one".