612623422072 has 16 divisors (see below), whose sum is σ = 1152077434560. Its totient is φ = 305402772864.

The previous prime is 612623422067. The next prime is 612623422091. The reversal of 612623422072 is 270224326216.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 113614408 + ... + 113619799.

It is an arithmetic number, because the mean of its divisors is an integer number (72004839660).

Almost surely, 2^612623422072 is an apocalyptic number.

It is an amenable number.

612623422072 is a deficient number, since it is larger than the sum of its proper divisors (539454012488).

612623422072 is a wasteful number, since it uses less digits than its factorization.

612623422072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227234550 (or 227234546 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

Adding to 612623422072 its reverse (270224326216), we get a palindrome (882847748288).

The spelling of 612623422072 in words is "six hundred twelve billion, six hundred twenty-three million, four hundred twenty-two thousand, seventy-two".