19200012 has 24 divisors (see below), whose sum is σ = 48246576. Its totient is φ = 5907648.

The previous prime is 19200011. The next prime is 19200019. The reversal of 19200012 is 21000291.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 19199964 and 19200000.

It is not an unprimeable number, because it can be changed into a prime (19200011) 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, 61383 + ... + 61694.

It is an arithmetic number, because the mean of its divisors is an integer number (2010274).

Almost surely, 2^19200012 is an apocalyptic number.

19200012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19200012 is an abundant number, since it is smaller than the sum of its proper divisors (29046564).

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

19200012 is a wasteful number, since it uses less digits than its factorization.

19200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123097 (or 123095 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 19200012 is about 4381.7818293475. The cubic root of 19200012 is about 267.7732358189.

The spelling of 19200012 in words is "nineteen million, two hundred thousand, twelve".