210102020212 has 48 divisors (see below), whose sum is σ = 438562252800. Its totient is φ = 86111400672.

The previous prime is 210102020129. The next prime is 210102020251. The reversal of 210102020212 is 212020201012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210102020192 and 210102020201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3446743 + ... + 3507169.

It is an arithmetic number, because the mean of its divisors is an integer number (9136713600).

Almost surely, 2^210102020212 is an apocalyptic number.

It is an amenable number.

210102020212 is an abundant number, since it is smaller than the sum of its proper divisors (228460232588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210102020212 is a wasteful number, since it uses less digits than its factorization.

210102020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65860 (or 65858 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210102020212 its reverse (212020201012), we get a palindrome (422122221224).

The spelling of 210102020212 in words is "two hundred ten billion, one hundred two million, twenty thousand, two hundred twelve".