122200201212001 has 6 divisors (see below), whose sum is σ = 134319229431506. Its totient is φ = 111091092010800.

The previous prime is 122200201211999. The next prime is 122200201212031. The reversal of 122200201212001 is 100212102002221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 122081726883600 + 118474328401 = 11049060^2 + 344201^2 .

It is not a de Polignac number, because 122200201212001 - 2¹ = 122200201211999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122200201212031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 504959509020 + ... + 504959509261.

Almost surely, 2^{122200201212001} is an apocalyptic number.

122200201212001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122200201212001 is a deficient number, since it is larger than the sum of its proper divisors (12119028219505).

122200201212001 is a wasteful number, since it uses less digits than its factorization.

122200201212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009919018303 (or 1009919018292 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122200201212001 its reverse (100212102002221), we get a palindrome (222412303214222).

The spelling of 122200201212001 in words is "one hundred twenty-two trillion, two hundred billion, two hundred one million, two hundred twelve thousand, one".