122203212 has 48 divisors (see below), whose sum is σ = 304416000. Its totient is φ = 38041920.

The previous prime is 122203201. The next prime is 122203223. The reversal of 122203212 is 212302221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122203201) and next prime (122203223).

It is a junction number, because it is equal to n+sod(n) for n = 122203191 and 122203200.

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, 12414 + ... + 19962.

It is an arithmetic number, because the mean of its divisors is an integer number (6342000).

Almost surely, 2^122203212 is an apocalyptic number.

122203212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122203212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152208000).

122203212 is an abundant number, since it is smaller than the sum of its proper divisors (182212788).

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

122203212 is a wasteful number, since it uses less digits than its factorization.

122203212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7646 (or 7644 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 122203212 is about 11054.5561647675. The cubic root of 122203212 is about 496.2427867495.

Adding to 122203212 its reverse (212302221), we get a palindrome (334505433).

Subtracting 122203212 from its reverse (212302221), we obtain a palindrome (90099009).

The spelling of 122203212 in words is "one hundred twenty-two million, two hundred three thousand, two hundred twelve".