1201122002122 has 32 divisors (see below), whose sum is σ = 2068155984384. Its totient is φ = 512495910000.

The previous prime is 1201122002071. The next prime is 1201122002153. The reversal of 1201122002122 is 2212002211021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201122002096 and 1201122002105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8259613 + ... + 8403775.

It is an arithmetic number, because the mean of its divisors is an integer number (64629874512).

Almost surely, 2^{1201122002122} is an apocalyptic number.

1201122002122 is a deficient number, since it is larger than the sum of its proper divisors (867033982262).

1201122002122 is a wasteful number, since it uses less digits than its factorization.

1201122002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146794.

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

Adding to 1201122002122 its reverse (2212002211021), we get a palindrome (3413124213143).

The spelling of 1201122002122 in words is "one trillion, two hundred one billion, one hundred twenty-two million, two thousand, one hundred twenty-two".