1201122200122 has 16 divisors (see below), whose sum is σ = 2054408107752. Its totient is φ = 521754439680.

The previous prime is 1201122200063. The next prime is 1201122200123. The reversal of 1201122200122 is 2210022211021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 642528893241 + 558593306881 = 801579^2 + 747391^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201122200096 and 1201122200105.

It is not an unprimeable number, because it can be changed into a prime (1201122200123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358735079 + ... + 1358735962.

Almost surely, 2^{1201122200122} is an apocalyptic number.

1201122200122 is a deficient number, since it is larger than the sum of its proper divisors (853285907630).

1201122200122 is a wasteful number, since it uses less digits than its factorization.

1201122200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717471073.

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

Adding to 1201122200122 its reverse (2210022211021), we get a palindrome (3411144411143).

The spelling of 1201122200122 in words is "one trillion, two hundred one billion, one hundred twenty-two million, two hundred thousand, one hundred twenty-two".