212020323102 has 48 divisors (see below), whose sum is σ = 525197492352. Its totient is φ = 60554759760.

The previous prime is 212020323089. The next prime is 212020323107. The reversal of 212020323102 is 201323020212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020323107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30277 + ... + 651887.

It is an arithmetic number, because the mean of its divisors is an integer number (10941614424).

Almost surely, 2^212020323102 is an apocalyptic number.

212020323102 is an abundant number, since it is smaller than the sum of its proper divisors (313177169250).

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

212020323102 is a wasteful number, since it uses less digits than its factorization.

212020323102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624333 (or 624330 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212020323102 its reverse (201323020212), we get a palindrome (413343343314).

The spelling of 212020323102 in words is "two hundred twelve billion, twenty million, three hundred twenty-three thousand, one hundred two".