655120000212 has 24 divisors (see below), whose sum is σ = 1529165855616. Its totient is φ = 218294401728.

The previous prime is 655120000211. The next prime is 655120000219. The reversal of 655120000212 is 212000021556.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655120000211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9831873 + ... + 9898280.

It is an arithmetic number, because the mean of its divisors is an integer number (63715243984).

Almost surely, 2^655120000212 is an apocalyptic number.

It is an amenable number.

655120000212 is an abundant number, since it is smaller than the sum of its proper divisors (874045855404).

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

655120000212 is a wasteful number, since it uses less digits than its factorization.

655120000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19732927 (or 19732925 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 655120000212 its reverse (212000021556), we get a palindrome (867120021768).

The spelling of 655120000212 in words is "six hundred fifty-five billion, one hundred twenty million, two hundred twelve", and thus it is an aban number.