128122654304930 has 32 divisors (see below), whose sum is σ = 233880591957120. Its totient is φ = 50524730381440.

The previous prime is 128122654304921. The next prime is 128122654304951. The reversal of 128122654304930 is 39403456221821.

It is a super-2 number, since 2×128122654304930² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9825926 + ... + 18782814.

It is an arithmetic number, because the mean of its divisors is an integer number (7308768498660).

Almost surely, 2^{128122654304930} is an apocalyptic number.

128122654304930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128122654304930 is a deficient number, since it is larger than the sum of its proper divisors (105757937652190).

128122654304930 is a wasteful number, since it uses less digits than its factorization.

128122654304930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8977114.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 128122654304930 in words is "one hundred twenty-eight trillion, one hundred twenty-two billion, six hundred fifty-four million, three hundred four thousand, nine hundred thirty".