213020213320212 has 48 divisors (see below), whose sum is σ = 523228233346560. Its totient is φ = 67266880666848.

The previous prime is 213020213320181. The next prime is 213020213320241. The reversal of 213020213320212 is 212023312020312.

It is a super-2 number, since 2×213020213320212² (a number of 29 digits) contains 22 as substring.

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, 12693138 + ... + 24231305.

It is an arithmetic number, because the mean of its divisors is an integer number (10900588194720).

Almost surely, 2^{213020213320212} is an apocalyptic number.

It is an amenable number.

213020213320212 is an abundant number, since it is smaller than the sum of its proper divisors (310208020026348).

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

213020213320212 is a wasteful number, since it uses less digits than its factorization.

213020213320212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36949772 (or 36949770 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 213020213320212 its reverse (212023312020312), we get a palindrome (425043525340524).

The spelling of 213020213320212 in words is "two hundred thirteen trillion, twenty billion, two hundred thirteen million, three hundred twenty thousand, two hundred twelve".