12190869805 has 8 divisors (see below), whose sum is σ = 14633535744. Its totient is φ = 9749701200.

The previous prime is 12190869799. The next prime is 12190869811. The reversal of 12190869805 is 50896809121.

It is an interprime number because it is at equal distance from previous prime (12190869799) and next prime (12190869811).

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

It is not a de Polignac number, because 12190869805 - 2³ = 12190869797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356341 + ... + 389050.

It is an arithmetic number, because the mean of its divisors is an integer number (1829191968).

Almost surely, 2^12190869805 is an apocalyptic number.

It is an amenable number.

12190869805 is a deficient number, since it is larger than the sum of its proper divisors (2442665939).

12190869805 is an equidigital number, since it uses as much as digits as its factorization.

12190869805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748667.

The product of its (nonzero) digits is 311040, while the sum is 49.

The spelling of 12190869805 in words is "twelve billion, one hundred ninety million, eight hundred sixty-nine thousand, eight hundred five".