1212212021094 has 32 divisors (see below), whose sum is σ = 2694397472640. Its totient is φ = 403981726536.

The previous prime is 1212212021071. The next prime is 1212212021161. The reversal of 1212212021094 is 4901202122121.

1212212021094 is a `hidden beast` number, since 121 + 221 + 20 + 210 + 94 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2222944 + ... + 2714019.

It is an arithmetic number, because the mean of its divisors is an integer number (84199921020).

Almost surely, 2^{1212212021094} is an apocalyptic number.

1212212021094 is an abundant number, since it is smaller than the sum of its proper divisors (1482185451546).

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

1212212021094 is a wasteful number, since it uses less digits than its factorization.

1212212021094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4941521 (or 4941515 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 1212212021094 in words is "one trillion, two hundred twelve billion, two hundred twelve million, twenty-one thousand, ninety-four".