403120212 has 72 divisors (see below), whose sum is σ = 1038370368. Its totient is φ = 121630080.

The previous prime is 403120183. The next prime is 403120219. The reversal of 403120212 is 212021304.

It is a junction number, because it is equal to n+sod(n) for n = 403120191 and 403120200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403120219) 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, 454033 + ... + 454919.

Almost surely, 2^403120212 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 403120212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519185184).

403120212 is an abundant number, since it is smaller than the sum of its proper divisors (635250156).

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

403120212 is a wasteful number, since it uses less digits than its factorization.

403120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229 (or 1216 counting only the distinct ones).

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

The square root of 403120212 is about 20077.8537697633. The cubic root of 403120212 is about 738.7171662653.

Adding to 403120212 its reverse (212021304), we get a palindrome (615141516).

The spelling of 403120212 in words is "four hundred three million, one hundred twenty thousand, two hundred twelve".