1201012101112 has 16 divisors (see below), whose sum is σ = 2261731307400. Its totient is φ = 597883752480.

The previous prime is 1201012101103. The next prime is 1201012101127. The reversal of 1201012101112 is 2111012101021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201012101092 and 1201012101101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327785314 + ... + 327788977.

Almost surely, 2^{1201012101112} is an apocalyptic number.

It is an amenable number.

1201012101112 is a deficient number, since it is larger than the sum of its proper divisors (1060719206288).

1201012101112 is a wasteful number, since it uses less digits than its factorization.

1201012101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655574526 (or 655574522 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1201012101112 its reverse (2111012101021), we get a palindrome (3312024202133).

Subtracting 1201012101112 from its reverse (2111012101021), we obtain a palindrome (909999999909).

The spelling of 1201012101112 in words is "one trillion, two hundred one billion, twelve million, one hundred one thousand, one hundred twelve".