19129228122 has 32 divisors (see below), whose sum is σ = 38429683200. Its totient is φ = 6347932848.

The previous prime is 19129228117. The next prime is 19129228123. The reversal of 19129228122 is 22182292191.

It is not an unprimeable number, because it can be changed into a prime (19129228123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1326153 + ... + 1340499.

It is an arithmetic number, because the mean of its divisors is an integer number (1200927600).

Almost surely, 2^19129228122 is an apocalyptic number.

19129228122 is an abundant number, since it is smaller than the sum of its proper divisors (19300455078).

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

19129228122 is a wasteful number, since it uses less digits than its factorization.

19129228122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15330.

The product of its digits is 20736, while the sum is 39.

The spelling of 19129228122 in words is "nineteen billion, one hundred twenty-nine million, two hundred twenty-eight thousand, one hundred twenty-two".