12190509042 has 8 divisors (see below), whose sum is σ = 24381018096. Its totient is φ = 4063503012.

The previous prime is 12190508989. The next prime is 12190509061. The reversal of 12190509042 is 24090509121.

It is a sphenic number, since it is the product of 3 distinct primes.

12190509042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12190508994 and 12190509012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015875748 + ... + 1015875759.

It is an arithmetic number, because the mean of its divisors is an integer number (3047627262).

Almost surely, 2^12190509042 is an apocalyptic number.

12190509042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12190509042 is a wasteful number, since it uses less digits than its factorization.

12190509042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031751512.

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 12190509042 in words is "twelve billion, one hundred ninety million, five hundred nine thousand, forty-two".