388328694122 has 8 divisors (see below), whose sum is σ = 582495687396. Its totient is φ = 194163464992.

The previous prime is 388328694121. The next prime is 388328694157. The reversal of 388328694122 is 221496823883.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 295554235201 + 92774458921 = 543649^2 + 304589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (388328694121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614948 + ... + 1074624.

Almost surely, 2^388328694122 is an apocalyptic number.

388328694122 is a deficient number, since it is larger than the sum of its proper divisors (194166993274).

388328694122 is a wasteful number, since it uses less digits than its factorization.

388328694122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882072.

The product of its digits is 7962624, while the sum is 56.

The spelling of 388328694122 in words is "three hundred eighty-eight billion, three hundred twenty-eight million, six hundred ninety-four thousand, one hundred twenty-two".