1201212194 has 16 divisors (see below), whose sum is σ = 2217622848. Its totient is φ = 475204752.

The previous prime is 1201212169. The next prime is 1201212209. The reversal of 1201212194 is 4912121021.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3299852 + ... + 3300215.

It is an arithmetic number, because the mean of its divisors is an integer number (138601428).

Almost surely, 2^1201212194 is an apocalyptic number.

1201212194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1201212194 is a deficient number, since it is larger than the sum of its proper divisors (1016410654).

1201212194 is a wasteful number, since it uses less digits than its factorization.

1201212194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6600089.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1201212194 is about 34658.5082483364. The cubic root of 1201212194 is about 1063.0162677490.

The spelling of 1201212194 in words is "one billion, two hundred one million, two hundred twelve thousand, one hundred ninety-four".