19202012 has 12 divisors (see below), whose sum is σ = 33736080. Its totient is φ = 9563136.

The previous prime is 19202011. The next prime is 19202039. The reversal of 19202012 is 21020291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19202011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8312 + ... + 10367.

It is an arithmetic number, because the mean of its divisors is an integer number (2811340).

Almost surely, 2^19202012 is an apocalyptic number.

It is an amenable number.

19202012 is a deficient number, since it is larger than the sum of its proper divisors (14534068).

19202012 is a wasteful number, since it uses less digits than its factorization.

19202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18940 (or 18938 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 19202012 is about 4382.0100410656. The cubic root of 19202012 is about 267.7825331721.

The spelling of 19202012 in words is "nineteen million, two hundred two thousand, twelve".