212020010010021 has 8 divisors (see below), whose sum is σ = 282693511714464. Its totient is φ = 141346590822800.

The previous prime is 212020010010013. The next prime is 212020010010097. The reversal of 212020010010021 is 120010010020212.

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

It is a cyclic number.

It is not a de Polignac number, because 212020010010021 - 2³ = 212020010010013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212020010009979 and 212020010010006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020010030021) 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, 14362026 + ... + 25105931.

It is an arithmetic number, because the mean of its divisors is an integer number (35336688964308).

Almost surely, 2^{212020010010021} is an apocalyptic number.

It is an amenable number.

212020010010021 is a deficient number, since it is larger than the sum of its proper divisors (70673501704443).

212020010010021 is a wasteful number, since it uses less digits than its factorization.

212020010010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41258611.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212020010010021 its reverse (120010010020212), we get a palindrome (332030020030233).

The spelling of 212020010010021 in words is "two hundred twelve trillion, twenty billion, ten million, ten thousand, twenty-one".