1201012122 has 16 divisors (see below), whose sum is σ = 2404445472. Its totient is φ = 399933840.

The previous prime is 1201012093. The next prime is 1201012181. The reversal of 1201012122 is 2212101021.

It is a junction number, because it is equal to n+sod(n) for n = 1201012098 and 1201012107.

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 7 ways as a sum of consecutive naturals, for example, 94404 + ... + 106367.

It is an arithmetic number, because the mean of its divisors is an integer number (150277842).

Almost surely, 2^1201012122 is an apocalyptic number.

1201012122 is an abundant number, since it is smaller than the sum of its proper divisors (1203433350).

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

1201012122 is a wasteful number, since it uses less digits than its factorization.

1201012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201773.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1201012122 is about 34655.6217950277. The cubic root of 1201012122 is about 1062.9572463702.

Adding to 1201012122 its reverse (2212101021), we get a palindrome (3413113143).

The spelling of 1201012122 in words is "one billion, two hundred one million, twelve thousand, one hundred twenty-two".