1219912110122 has 4 divisors (see below), whose sum is σ = 1829868165186. Its totient is φ = 609956055060.

The previous prime is 1219912110101. The next prime is 1219912110271. The reversal of 1219912110122 is 2210112199121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1193881837201 + 26030272921 = 1092649^2 + 161339^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304978027529 + ... + 304978027532.

Almost surely, 2^{1219912110122} is an apocalyptic number.

1219912110122 is a deficient number, since it is larger than the sum of its proper divisors (609956055064).

1219912110122 is an equidigital number, since it uses as much as digits as its factorization.

1219912110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609956055063.

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 1219912110122 in words is "one trillion, two hundred nineteen billion, nine hundred twelve million, one hundred ten thousand, one hundred twenty-two".