1221410041192 has 32 divisors (see below), whose sum is σ = 2526409958400. Its totient is φ = 548948329600.

The previous prime is 1221410041151. The next prime is 1221410041193. The reversal of 1221410041192 is 2911400141221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1221410041192.

It is not an unprimeable number, because it can be changed into a prime (1221410041193) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 77967784 + ... + 77983447.

It is an arithmetic number, because the mean of its divisors is an integer number (78950311200).

Almost surely, 2^{1221410041192} is an apocalyptic number.

It is an amenable number.

1221410041192 is an abundant number, since it is smaller than the sum of its proper divisors (1304999917208).

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

1221410041192 is a wasteful number, since it uses less digits than its factorization.

1221410041192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155951337 (or 155951333 counting only the distinct ones).

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

The spelling of 1221410041192 in words is "one trillion, two hundred twenty-one billion, four hundred ten million, forty-one thousand, one hundred ninety-two".