212233121310 has 96 divisors (see below), whose sum is σ = 592972185600. Its totient is φ = 48473425728.

The previous prime is 212233121291. The next prime is 212233121329. The reversal of 212233121310 is 13121332212.

212233121310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212233121291) and next prime (212233121329).

It is a super-2 number, since 2×212233121310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1896291 + ... + 2005089.

It is an arithmetic number, because the mean of its divisors is an integer number (6176793600).

Almost surely, 2^212233121310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212233121310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296486092800).

212233121310 is an abundant number, since it is smaller than the sum of its proper divisors (380739064290).

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

212233121310 is a wasteful number, since it uses less digits than its factorization.

212233121310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110150 (or 110143 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 212233121310 its reverse (13121332212), we get a palindrome (225354453522).

The spelling of 212233121310 in words is "two hundred twelve billion, two hundred thirty-three million, one hundred twenty-one thousand, three hundred ten".