1210203322042 has 64 divisors (see below), whose sum is σ = 2176938167040. Its totient is φ = 497308147200.

The previous prime is 1210203322037. The next prime is 1210203322079. The reversal of 1210203322042 is 2402233020121.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 31 ways as a sum of consecutive naturals, for example, 3916059 + ... + 4213777.

It is an arithmetic number, because the mean of its divisors is an integer number (34014658860).

Almost surely, 2^{1210203322042} is an apocalyptic number.

1210203322042 is a deficient number, since it is larger than the sum of its proper divisors (966734844998).

1210203322042 is a wasteful number, since it uses less digits than its factorization.

1210203322042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298039.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1210203322042 its reverse (2402233020121), we get a palindrome (3612436342163).

The spelling of 1210203322042 in words is "one trillion, two hundred ten billion, two hundred three million, three hundred twenty-two thousand, forty-two".