1210203402112 has 32 divisors (see below), whose sum is σ = 2411194289400. Its totient is φ = 605040913920.

The previous prime is 1210203402103. The next prime is 1210203402127. The reversal of 1210203402112 is 2112043020121.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1210203402112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817939 + ... + 1757677.

Almost surely, 2^{1210203402112} is an apocalyptic number.

It is an amenable number.

1210203402112 is a deficient number, since it is larger than the sum of its proper divisors (1200990887288).

1210203402112 is an equidigital number, since it uses as much as digits as its factorization.

1210203402112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949814 (or 949802 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1210203402112 its reverse (2112043020121), we get a palindrome (3322246422233).

The spelling of 1210203402112 in words is "one trillion, two hundred ten billion, two hundred three million, four hundred two thousand, one hundred twelve".