10212020302123 has 4 divisors (see below), whose sum is σ = 10656021184848. Its totient is φ = 9768019419400.

The previous prime is 10212020302097. The next prime is 10212020302129. The reversal of 10212020302123 is 32120302021201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10212020302123 - 2⁹ = 10212020301611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10212020302123.

It is not an unprimeable number, because it can be changed into a prime (10212020302129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222000441328 + ... + 222000441373.

It is an arithmetic number, because the mean of its divisors is an integer number (2664005296212).

Almost surely, 2^{10212020302123} is an apocalyptic number.

10212020302123 is a deficient number, since it is larger than the sum of its proper divisors (444000882725).

10212020302123 is an equidigital number, since it uses as much as digits as its factorization.

10212020302123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444000882724.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10212020302123 its reverse (32120302021201), we get a palindrome (42332322323324).

The spelling of 10212020302123 in words is "ten trillion, two hundred twelve billion, twenty million, three hundred two thousand, one hundred twenty-three".