120201022099978 has 16 divisors (see below), whose sum is σ = 182000928332520. Its totient is φ = 59534320248000.

The previous prime is 120201022099943. The next prime is 120201022099979. The reversal of 120201022099978 is 879990220102021.

It can be written as a sum of positive squares in 4 ways, for example, as 78921849137209 + 41279172962769 = 8883797^2 + 6424887^2 .

It is not an unprimeable number, because it can be changed into a prime (120201022099979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67686073 + ... + 69439228.

Almost surely, 2^{120201022099978} is an apocalyptic number.

120201022099978 is a deficient number, since it is larger than the sum of its proper divisors (61799906232542).

120201022099978 is a wasteful number, since it uses less digits than its factorization.

120201022099978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137129433.

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 120201022099978 in words is "one hundred twenty trillion, two hundred one billion, twenty-two million, ninety-nine thousand, nine hundred seventy-eight".