1221210023094 has 24 divisors (see below), whose sum is σ = 2649535532280. Its totient is φ = 406519164288.

The previous prime is 1221210023081. The next prime is 1221210023119. The reversal of 1221210023094 is 4903200121221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45889947 + ... + 45916550.

It is an arithmetic number, because the mean of its divisors is an integer number (110397313845).

Almost surely, 2^{1221210023094} is an apocalyptic number.

1221210023094 is an abundant number, since it is smaller than the sum of its proper divisors (1428325509186).

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

1221210023094 is a wasteful number, since it uses less digits than its factorization.

1221210023094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91807244 (or 91807241 counting only the distinct ones).

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

The spelling of 1221210023094 in words is "one trillion, two hundred twenty-one billion, two hundred ten million, twenty-three thousand, ninety-four".