361422012 has 48 divisors (see below), whose sum is σ = 997032960. Its totient is φ = 99701952.

The previous prime is 361422001. The next prime is 361422013. The reversal of 361422012 is 210224163.

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

It is a self number, because there is not a number n which added to its sum of digits gives 361422012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361422013) 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, 71748 + ... + 76619.

It is an arithmetic number, because the mean of its divisors is an integer number (20771520).

Almost surely, 2^361422012 is an apocalyptic number.

It is an amenable number.

361422012 is an abundant number, since it is smaller than the sum of its proper divisors (635610948).

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

361422012 is a wasteful number, since it uses less digits than its factorization.

361422012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148410 (or 148408 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 361422012 is about 19011.1023352145. The cubic root of 361422012 is about 712.3140867969.

Adding to 361422012 its reverse (210224163), we get a palindrome (571646175).

The spelling of 361422012 in words is "three hundred sixty-one million, four hundred twenty-two thousand, twelve".