122020023201 has 4 divisors (see below), whose sum is σ = 162693364272. Its totient is φ = 81346682132.

The previous prime is 122020023197. The next prime is 122020023227. The reversal of 122020023201 is 102320020221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122020023201 - 2² = 122020023197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122020023241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20336670531 + ... + 20336670536.

It is an arithmetic number, because the mean of its divisors is an integer number (40673341068).

Almost surely, 2^122020023201 is an apocalyptic number.

It is an amenable number.

122020023201 is a deficient number, since it is larger than the sum of its proper divisors (40673341071).

122020023201 is an equidigital number, since it uses as much as digits as its factorization.

122020023201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40673341070.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 122020023201 its reverse (102320020221), we get a palindrome (224340043422).

The spelling of 122020023201 in words is "one hundred twenty-two billion, twenty million, twenty-three thousand, two hundred one".