1203110101212 has 12 divisors (see below), whose sum is σ = 2807256902856. Its totient is φ = 401036700400.

The previous prime is 1203110101211. The next prime is 1203110101231. The reversal of 1203110101212 is 2121010113021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1203110101191 and 1203110101200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203110101211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50129587539 + ... + 50129587562.

It is an arithmetic number, because the mean of its divisors is an integer number (233938075238).

Almost surely, 2^{1203110101212} is an apocalyptic number.

1203110101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1203110101212 is an abundant number, since it is smaller than the sum of its proper divisors (1604146801644).

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

1203110101212 is a wasteful number, since it uses less digits than its factorization.

1203110101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100259175108 (or 100259175106 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1203110101212 its reverse (2121010113021), we get a palindrome (3324120214233).

The spelling of 1203110101212 in words is "one trillion, two hundred three billion, one hundred ten million, one hundred one thousand, two hundred twelve".