1201112002012 has 48 divisors (see below), whose sum is σ = 2380742606592. Its totient is φ = 526354583040.

The previous prime is 1201112001977. The next prime is 1201112002049. The reversal of 1201112002012 is 2102002111021.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1201112001983 and 1201112002001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6943873 + ... + 7114744.

It is an arithmetic number, because the mean of its divisors is an integer number (49598804304).

Almost surely, 2^{1201112002012} is an apocalyptic number.

It is an amenable number.

1201112002012 is a deficient number, since it is larger than the sum of its proper divisors (1179630604580).

1201112002012 is a wasteful number, since it uses less digits than its factorization.

1201112002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14058718 (or 14058716 counting only the distinct ones).

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

Adding to 1201112002012 its reverse (2102002111021), we get a palindrome (3303114113033).

The spelling of 1201112002012 in words is "one trillion, two hundred one billion, one hundred twelve million, two thousand, twelve".