612794000220 has 96 divisors (see below), whose sum is σ = 1718721027072. Its totient is φ = 163135999488.

The previous prime is 612794000213. The next prime is 612794000237. The reversal of 612794000220 is 22000497216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138544929 + ... + 138549351.

It is an arithmetic number, because the mean of its divisors is an integer number (17903344032).

Almost surely, 2^612794000220 is an apocalyptic number.

612794000220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

612794000220 is an abundant number, since it is smaller than the sum of its proper divisors (1105927026852).

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

612794000220 is a wasteful number, since it uses less digits than its factorization.

612794000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7811 (or 7809 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

Adding to 612794000220 its reverse (22000497216), we get a palindrome (634794497436).

The spelling of 612794000220 in words is "six hundred twelve billion, seven hundred ninety-four million, two hundred twenty", and thus it is an aban number.