12019494411 has 48 divisors (see below), whose sum is σ = 19568109600. Its totient is φ = 7064285184.

The previous prime is 12019494401. The next prime is 12019494433. The reversal of 12019494411 is 11449491021.

12019494411 is a `hidden beast` number, since 1 + 20 + 194 + 9 + 441 + 1 = 666.

It is not a de Polignac number, because 12019494411 - 2²⁹ = 11482623499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12019494401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 235495 + ... + 281951.

It is an arithmetic number, because the mean of its divisors is an integer number (407668950).

Almost surely, 2^12019494411 is an apocalyptic number.

12019494411 is a deficient number, since it is larger than the sum of its proper divisors (7548615189).

12019494411 is a wasteful number, since it uses less digits than its factorization.

12019494411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46588 (or 46585 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 12019494411 in words is "twelve billion, nineteen million, four hundred ninety-four thousand, four hundred eleven".