1206121662122 has 32 divisors (see below), whose sum is σ = 2063125899072. Its totient is φ = 523883821824.

The previous prime is 1206121662091. The next prime is 1206121662181. The reversal of 1206121662122 is 2212661216021.

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 15 ways as a sum of consecutive naturals, for example, 5714393 + ... + 5921699.

It is an arithmetic number, because the mean of its divisors is an integer number (64472684346).

Almost surely, 2^{1206121662122} is an apocalyptic number.

1206121662122 is a deficient number, since it is larger than the sum of its proper divisors (857004236950).

1206121662122 is a wasteful number, since it uses less digits than its factorization.

1206121662122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220502.

The product of its (nonzero) digits is 6912, while the sum is 32.

Adding to 1206121662122 its reverse (2212661216021), we get a palindrome (3418782878143).

The spelling of 1206121662122 in words is "one trillion, two hundred six billion, one hundred twenty-one million, six hundred sixty-two thousand, one hundred twenty-two".