1212012022194 has 48 divisors (see below), whose sum is σ = 2807035305984. Its totient is φ = 377013278400.

The previous prime is 1212012022183. The next prime is 1212012022213. The reversal of 1212012022194 is 4912202102121.

It is a Curzon 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 23 ways as a sum of consecutive naturals, for example, 35685042 + ... + 35718989.

It is an arithmetic number, because the mean of its divisors is an integer number (58479902208).

Almost surely, 2^{1212012022194} is an apocalyptic number.

1212012022194 is an abundant number, since it is smaller than the sum of its proper divisors (1595023283790).

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

1212012022194 is a wasteful number, since it uses less digits than its factorization.

1212012022194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71404103 (or 71404100 counting only the distinct ones).

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

The spelling of 1212012022194 in words is "one trillion, two hundred twelve billion, twelve million, twenty-two thousand, one hundred ninety-four".