1201220001112 has 8 divisors (see below), whose sum is σ = 2252287502100. Its totient is φ = 600610000552.

The previous prime is 1201220001089. The next prime is 1201220001203. The reversal of 1201220001112 is 2111000221021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×1201220001112³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201220001092 and 1201220001101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75076250062 + ... + 75076250077.

Almost surely, 2^{1201220001112} is an apocalyptic number.

It is an amenable number.

1201220001112 is a deficient number, since it is larger than the sum of its proper divisors (1051067500988).

1201220001112 is a wasteful number, since it uses less digits than its factorization.

1201220001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150152500145 (or 150152500141 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1201220001112 its reverse (2111000221021), we get a palindrome (3312220222133).

The spelling of 1201220001112 in words is "one trillion, two hundred one billion, two hundred twenty million, one thousand, one hundred twelve".