1201122001112 has 32 divisors (see below), whose sum is σ = 2457076619520. Its totient is φ = 545912065440.

The previous prime is 1201122001109. The next prime is 1201122001117. The reversal of 1201122001112 is 2111002211021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201122001117) 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, 272093 + ... + 1573619.

It is an arithmetic number, because the mean of its divisors is an integer number (76783644360).

Almost surely, 2^{1201122001112} is an apocalyptic number.

It is an amenable number.

1201122001112 is an abundant number, since it is smaller than the sum of its proper divisors (1255954618408).

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

1201122001112 is a wasteful number, since it uses less digits than its factorization.

1201122001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312031 (or 1312027 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1201122001112 its reverse (2111002211021), we get a palindrome (3312124212133).

The spelling of 1201122001112 in words is "one trillion, two hundred one billion, one hundred twenty-two million, one thousand, one hundred twelve".