612307222120 has 96 divisors (see below), whose sum is σ = 1538702788320. Its totient is φ = 217478808960.

The previous prime is 612307222097. The next prime is 612307222123. The reversal of 612307222120 is 21222703216.

It is a super-2 number, since 2×612307222120² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (612307222123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 437247 + ... + 1189873.

It is an arithmetic number, because the mean of its divisors is an integer number (16028154045).

Almost surely, 2^612307222120 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 612307222120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769351394160).

612307222120 is an abundant number, since it is smaller than the sum of its proper divisors (926395566200).

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

612307222120 is a wasteful number, since it uses less digits than its factorization.

612307222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752735 (or 752688 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 612307222120 its reverse (21222703216), we get a palindrome (633529925336).

The spelling of 612307222120 in words is "six hundred twelve billion, three hundred seven million, two hundred twenty-two thousand, one hundred twenty".