10212012020121 has 8 divisors (see below), whose sum is σ = 13640200782240. Its totient is φ = 6795915635712.

The previous prime is 10212012020113. The next prime is 10212012020141. The reversal of 10212012020121 is 12102021021201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10212012020121 - 2³ = 10212012020113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10212012020121.

It is not an unprimeable number, because it can be changed into a prime (10212012020101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3023092456 + ... + 3023095833.

It is an arithmetic number, because the mean of its divisors is an integer number (1705025097780).

Almost surely, 2^{10212012020121} is an apocalyptic number.

It is an amenable number.

10212012020121 is a deficient number, since it is larger than the sum of its proper divisors (3428188762119).

10212012020121 is an equidigital number, since it uses as much as digits as its factorization.

10212012020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6046188855.

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

Adding to 10212012020121 its reverse (12102021021201), we get a palindrome (22314033041322).

The spelling of 10212012020121 in words is "ten trillion, two hundred twelve billion, twelve million, twenty thousand, one hundred twenty-one".