1200122002122 has 16 divisors (see below), whose sum is σ = 2411007432960. Its totient is φ = 398246762592.

The previous prime is 1200122002117. The next prime is 1200122002139. The reversal of 1200122002122 is 2212002210021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448474747 + ... + 448477422.

It is an arithmetic number, because the mean of its divisors is an integer number (150687964560).

Almost surely, 2^{1200122002122} is an apocalyptic number.

1200122002122 is an abundant number, since it is smaller than the sum of its proper divisors (1210885430838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200122002122 is a wasteful number, since it uses less digits than its factorization.

1200122002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896952397.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1200122002122 its reverse (2212002210021), we get a palindrome (3412124212143).

The spelling of 1200122002122 in words is "one trillion, two hundred billion, one hundred twenty-two million, two thousand, one hundred twenty-two".