122002001023 has 16 divisors (see below), whose sum is σ = 143830162944. Its totient is φ = 101298569760.

The previous prime is 122002000997. The next prime is 122002001057. The reversal of 122002001023 is 320100200221.

It is a cyclic number.

It is not a de Polignac number, because 122002001023 - 2¹³ = 122001992831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122002000994 and 122002001012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002001123) 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 15 ways as a sum of consecutive naturals, for example, 978763 + ... + 1096348.

It is an arithmetic number, because the mean of its divisors is an integer number (8989385184).

Almost surely, 2^122002001023 is an apocalyptic number.

122002001023 is a deficient number, since it is larger than the sum of its proper divisors (21828161921).

122002001023 is a wasteful number, since it uses less digits than its factorization.

122002001023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075382.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 122002001023 its reverse (320100200221), we get a palindrome (442102201244).

The spelling of 122002001023 in words is "one hundred twenty-two billion, two million, one thousand, twenty-three".