1201100212012 has 24 divisors (see below), whose sum is σ = 2133499403504. Its totient is φ = 591530651712.

The previous prime is 1201100211977. The next prime is 1201100212051. The reversal of 1201100212012 is 2102120011021.

It is a junction number, because it is equal to n+sod(n) for n = 1201100211983 and 1201100212001.

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, 2697538 + ... + 3111094.

Almost surely, 2^{1201100212012} is an apocalyptic number.

It is an amenable number.

1201100212012 is a deficient number, since it is larger than the sum of its proper divisors (932399191492).

1201100212012 is a wasteful number, since it uses less digits than its factorization.

1201100212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424465 (or 424463 counting only the distinct ones).

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

Adding to 1201100212012 its reverse (2102120011021), we get a palindrome (3303220223033).

The spelling of 1201100212012 in words is "one trillion, two hundred one billion, one hundred million, two hundred twelve thousand, twelve".