122002010019 has 6 divisors (see below), whose sum is σ = 176225125596. Its totient is φ = 81334673340.

The previous prime is 122002009967. The next prime is 122002010071. The reversal of 122002010019 is 910010200221.

It is an interprime number because it is at equal distance from previous prime (122002009967) and next prime (122002010071).

It is not a de Polignac number, because 122002010019 - 2¹⁹ = 122001485731 is a prime.

It is a super-2 number, since 2×122002010019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122002009983 and 122002010010.

It is not an unprimeable number, because it can be changed into a prime (122002010089) 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 5 ways as a sum of consecutive naturals, for example, 6777889437 + ... + 6777889454.

It is an arithmetic number, because the mean of its divisors is an integer number (29370854266).

Almost surely, 2^122002010019 is an apocalyptic number.

122002010019 is a deficient number, since it is larger than the sum of its proper divisors (54223115577).

122002010019 is a wasteful number, since it uses less digits than its factorization.

122002010019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13555778897 (or 13555778894 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 122002010019 in words is "one hundred twenty-two billion, two million, ten thousand, nineteen".