122040212 has 48 divisors (see below), whose sum is σ = 261636480. Its totient is φ = 48617472.

The previous prime is 122040187. The next prime is 122040221. The reversal of 122040212 is 212040221.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 37964 + ... + 41052.

It is an arithmetic number, because the mean of its divisors is an integer number (5450760).

Almost surely, 2^122040212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122040212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130818240).

122040212 is an abundant number, since it is smaller than the sum of its proper divisors (139596268).

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

122040212 is a wasteful number, since it uses less digits than its factorization.

122040212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200 (or 3198 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 122040212 is about 11047.1811789252. The cubic root of 122040212 is about 496.0220517858.

Adding to 122040212 its reverse (212040221), we get a palindrome (334080433).

Subtracting 122040212 from its reverse (212040221), we obtain a palindrome (90000009).

The spelling of 122040212 in words is "one hundred twenty-two million, forty thousand, two hundred twelve".