361612212 has 48 divisors (see below), whose sum is σ = 913987200. Its totient is φ = 110613888.

The previous prime is 361612201. The next prime is 361612213. The reversal of 361612212 is 212216163.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361612213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20289 + ... + 33687.

It is an arithmetic number, because the mean of its divisors is an integer number (19041400).

Almost surely, 2^361612212 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 361612212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456993600).

361612212 is an abundant number, since it is smaller than the sum of its proper divisors (552374988).

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

361612212 is a wasteful number, since it uses less digits than its factorization.

361612212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13592 (or 13590 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 361612212 is about 19016.1040173848. The cubic root of 361612212 is about 712.4390177416.

Adding to 361612212 its reverse (212216163), we get a palindrome (573828375).

The spelling of 361612212 in words is "three hundred sixty-one million, six hundred twelve thousand, two hundred twelve".