10212121012023 has 16 divisors (see below), whose sum is σ = 17290363618560. Its totient is φ = 5835497721048.

The previous prime is 10212121012021. The next prime is 10212121012033. The reversal of 10212121012023 is 32021012121201.

It is not a de Polignac number, because 10212121012023 - 2¹ = 10212121012021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10212121011987 and 10212121012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212121012021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27016192965 + ... + 27016193342.

It is an arithmetic number, because the mean of its divisors is an integer number (1080647726160).

Almost surely, 2^{10212121012023} is an apocalyptic number.

10212121012023 is a deficient number, since it is larger than the sum of its proper divisors (7078242606537).

10212121012023 is an equidigital number, since it uses as much as digits as its factorization.

10212121012023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54032386323 (or 54032386317 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 10212121012023 its reverse (32021012121201), we get a palindrome (42233133133224).

The spelling of 10212121012023 in words is "ten trillion, two hundred twelve billion, one hundred twenty-one million, twelve thousand, twenty-three".