249348283212 has 96 divisors (see below), whose sum is σ = 681912000000. Its totient is φ = 69430136832.

The previous prime is 249348283159. The next prime is 249348283213. The reversal of 249348283212 is 212382843942.

It is a super-2 number, since 2×249348283212² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (249348283213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1544914 + ... + 1698662.

It is an arithmetic number, because the mean of its divisors is an integer number (7103250000).

Almost surely, 2^249348283212 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 249348283212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340956000000).

249348283212 is an abundant number, since it is smaller than the sum of its proper divisors (432563716788).

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

249348283212 is a wasteful number, since it uses less digits than its factorization.

249348283212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154255 (or 154253 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The spelling of 249348283212 in words is "two hundred forty-nine billion, three hundred forty-eight million, two hundred eighty-three thousand, two hundred twelve".