1213400006194 has 16 divisors (see below), whose sum is σ = 1869338620800. Its totient is φ = 590287952304.

The previous prime is 1213400006191. The next prime is 1213400006251. The reversal of 1213400006194 is 4916000043121.

It is not an unprimeable number, because it can be changed into a prime (1213400006191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3143047 + ... + 3507925.

It is an arithmetic number, because the mean of its divisors is an integer number (116833663800).

Almost surely, 2^{1213400006194} is an apocalyptic number.

1213400006194 is a deficient number, since it is larger than the sum of its proper divisors (655938614606).

1213400006194 is a wasteful number, since it uses less digits than its factorization.

1213400006194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409857.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 1213400006194 in words is "one trillion, two hundred thirteen billion, four hundred million, six thousand, one hundred ninety-four".