10212020012102 has 4 divisors (see below), whose sum is σ = 15318030018156. Its totient is φ = 5106010006050.

The previous prime is 10212020012039. The next prime is 10212020012149. The reversal of 10212020012102 is 20121002021201.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2553005003024 + ... + 2553005003027.

It is an arithmetic number, because the mean of its divisors is an integer number (3829507504539).

Almost surely, 2^{10212020012102} is an apocalyptic number.

10212020012102 is a deficient number, since it is larger than the sum of its proper divisors (5106010006054).

10212020012102 is an equidigital number, since it uses as much as digits as its factorization.

10212020012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106010006053.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10212020012102 its reverse (20121002021201), we get a palindrome (30333022033303).

The spelling of 10212020012102 in words is "ten trillion, two hundred twelve billion, twenty million, twelve thousand, one hundred two".