212303232102 has 64 divisors (see below), whose sum is σ = 460472995584. Its totient is φ = 64866821760.

The previous prime is 212303232091. The next prime is 212303232109. The reversal of 212303232102 is 201232303212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212303232109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23348577 + ... + 23357667.

It is an arithmetic number, because the mean of its divisors is an integer number (7194890556).

Almost surely, 2^212303232102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212303232102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230236497792).

212303232102 is an abundant number, since it is smaller than the sum of its proper divisors (248169763482).

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

212303232102 is a wasteful number, since it uses less digits than its factorization.

212303232102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11173.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212303232102 its reverse (201232303212), we get a palindrome (413535535314).

The spelling of 212303232102 in words is "two hundred twelve billion, three hundred three million, two hundred thirty-two thousand, one hundred two".