1221211212094 has 32 divisors (see below), whose sum is σ = 1845760906080. Its totient is φ = 605980032000.

The previous prime is 1221211211959. The next prime is 1221211212187. The reversal of 1221211212094 is 4902121121221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159777837 + ... + 159785479.

It is an arithmetic number, because the mean of its divisors is an integer number (57680028315).

Almost surely, 2^{1221211212094} is an apocalyptic number.

1221211212094 is a deficient number, since it is larger than the sum of its proper divisors (624549693986).

1221211212094 is a wasteful number, since it uses less digits than its factorization.

1221211212094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9036.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 1221211212094 in words is "one trillion, two hundred twenty-one billion, two hundred eleven million, two hundred twelve thousand, ninety-four".