1210123342342 has 16 divisors (see below), whose sum is σ = 1833516352512. Its totient is φ = 598955764680.

The previous prime is 1210123342291. The next prime is 1210123342387. The reversal of 1210123342342 is 2432433210121.

It is a self number, because there is not a number n which added to its sum of digits gives 1210123342342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599868 + ... + 1667359.

It is an arithmetic number, because the mean of its divisors is an integer number (114594772032).

Almost surely, 2^{1210123342342} is an apocalyptic number.

1210123342342 is a deficient number, since it is larger than the sum of its proper divisors (623393010170).

1210123342342 is a wasteful number, since it uses less digits than its factorization.

1210123342342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269923.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1210123342342 its reverse (2432433210121), we get a palindrome (3642556552463).

The spelling of 1210123342342 in words is "one trillion, two hundred ten billion, one hundred twenty-three million, three hundred forty-two thousand, three hundred forty-two".