1221220013094 has 24 divisors (see below), whose sum is σ = 2646106510320. Its totient is φ = 407053366128.

The previous prime is 1221220013093. The next prime is 1221220013099. The reversal of 1221220013094 is 4903100221221.

1221220013094 is a `hidden beast` number, since 1 + 221 + 220 + 0 + 130 + 94 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221220013093) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1284882 + ... + 2023205.

It is an arithmetic number, because the mean of its divisors is an integer number (110254437930).

Almost surely, 2^{1221220013094} is an apocalyptic number.

1221220013094 is an abundant number, since it is smaller than the sum of its proper divisors (1424886497226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1221220013094 is a wasteful number, since it uses less digits than its factorization.

1221220013094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328604 (or 3328601 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 1221220013094 in words is "one trillion, two hundred twenty-one billion, two hundred twenty million, thirteen thousand, ninety-four".