618212000 has 96 divisors (see below), whose sum is σ = 1736017920. Its totient is φ = 211948800.

The previous prime is 618211999. The next prime is 618212029. The reversal of 618212000 is 212816.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 16961 + ... + 39039.

It is an arithmetic number, because the mean of its divisors is an integer number (18083520).

Almost surely, 2^618212000 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 618212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (868008960).

618212000 is an abundant number, since it is smaller than the sum of its proper divisors (1117805920).

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

618212000 is a wasteful number, since it uses less digits than its factorization.

618212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22111 (or 22093 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 618212000 is about 24863.8693690262. The cubic root of 618212000 is about 851.8814150164.

Adding to 618212000 its reverse (212816), we get a palindrome (618424816).

The spelling of 618212000 in words is "six hundred eighteen million, two hundred twelve thousand".